Added basic Object Batching

src/js/assets.js

@@ -26,12 +26,10 @@ export class Assets {
             throw new Error("Tried to assess assets without loading them!");
         return this.assets.get(name);
     }
-    async load(ctx) {
+    async load(gfx) {
-        assets.push("city", await Texture.load(ctx, "../../assets/genetica/rt/City Night.jpg"));
+        assets.push("grass", await Texture.load(gfx, "../../assets/grass.png"));
-        assets.push("wall", await Texture.load(ctx, "../../assets/wall.png"));
+        assets.push("leaves", await Texture.load(gfx, "../../assets/greenary.png"));
-        assets.push("grass", await Texture.load(ctx, "../../assets/grass.png"));
+        assets.push("log", await Texture.load(gfx, "../../assets/log.png"));
-        assets.push("leaves", await Texture.load(ctx, "../../assets/greenary.png"));
-        assets.push("log", await Texture.load(ctx, "../../assets/log.png"));
         this.loaded = true;
     }
 }

src/js/assets.ts

@@ -1,4 +1,4 @@
-import {Texture} from "./graphics.js";
+import {Graphics, Texture} from "./graphics.js";
 import {TileFill} from "./world.js";
 
 export type Color = [number, number, number, number]
@@ -40,12 +40,11 @@ export class Assets {
         return this.assets.get(name)!;
     }
 
-    async load(ctx: WebGL2RenderingContext) {
+    async load(gfx: Graphics) {
-        assets.push("city", await Texture.load(ctx, "../../assets/genetica/rt/City Night.jpg"));
+        assets.push("grass",  await Texture.load(gfx, "../../assets/grass.png"));
-        assets.push("wall", await Texture.load(ctx, "../../assets/wall.png"));
+        assets.push("leaves", await Texture.load(gfx, "../../assets/greenary.png"));
-        assets.push("grass", await Texture.load(ctx, "../../assets/grass.png"));
+        assets.push("log",    await Texture.load(gfx, "../../assets/log.png"));
-        assets.push("leaves", await Texture.load(ctx, "../../assets/greenary.png"));
+        
-        assets.push("log", await Texture.load(ctx, "../../assets/log.png"));
         this.loaded = true;
     }
 }

src/js/draw.js

@@ -1,5 +1,5 @@
-import { Vec3, Vec2, Vec4 } from "./common.js";
+import { Vec3 } from "./common.js";
-import { Texture } from "./graphics.js";
+import { Texture, DrawTag } from "./graphics.js";
 import { TileEdge } from "./world.js";
 // TODO: Don't assume tile size is same in all directions
 function cull(point, screen, tileSize) {
@@ -13,76 +13,80 @@ function cull(point, screen, tileSize) {
         return true;
     return false;
 }
-export function drawTriangle(gfx, positions, color) {
+// Attrib format
-    const a_position = gfx.getAttribute("a_position");
+// position color   uv   
-    const a_color = gfx.getAttribute("a_color");
+//    (3)    (4)   (2)  => 3 + 4 + 2 = 9 <=> data.len % 9 == 0
-    const points = [
+export class Rectangle {
-        positions[0].x, positions[0].y,
+    fill;
-        positions[1].x, positions[1].y,
+    attribs = ["a_position", "a_color", "a_tex_position"];
-        positions[2].x, positions[2].y,
+    tags = [];
-    ];
+    data = [];
-    const colors = [
+    stride = 0;
-        color,
+    vertexStride = 0;
-        color,
+    constructor(fill, tags, attribs) {
-        color,
+        this.fill = fill;
-    ];
+        if (attribs !== undefined) {
-    a_position.data(gfx.ctx, points, gfx.ctx.STATIC_DRAW);
+            this.attribs = attribs;
-    a_color.data(gfx.ctx, colors.flat(), gfx.ctx.STATIC_DRAW);
+        }
-    gfx.ctx.drawArrays(gfx.ctx.TRIANGLES, 0, 3);
+        if (tags !== undefined) {
-}
+            this.tags = tags;
-export function drawTriangleExts(gfx, position, exts, color) {
+        }
-    const a_position = gfx.getAttribute("a_position");
-    const a_color = gfx.getAttribute("a_color");
-    const points = [
-        position.x, position.y, position.z,
-        position.x + exts.x, position.y, position.z,
-        position.x, position.y + exts.y, position.z,
-    ];
-    const colors = [
-        color,
-        color,
-        color,
-    ];
-    a_position.data(gfx.ctx, points, gfx.ctx.STATIC_DRAW);
-    a_color.data(gfx.ctx, colors.flat(), gfx.ctx.STATIC_DRAW);
-    gfx.ctx.drawArrays(gfx.ctx.TRIANGLES, 0, 3);
-}
-export function drawRectangle(gfx, corners, color) {
-    const a_position = gfx.getAttribute("a_position");
-    const points = [
-        corners[0].x, corners[0].y, corners[0].z,
-        corners[1].x, corners[1].y, corners[1].z,
-        corners[3].x, corners[3].y, corners[3].z,
-        corners[2].x, corners[2].y, corners[2].z,
-        corners[1].x, corners[1].y, corners[1].z,
-        corners[3].x, corners[3].y, corners[3].z,
-    ];
-    if (color instanceof Texture) {
-        const a_tex_position = gfx.getAttribute("a_tex_position");
-        const uv = [
-            0.0, 0.0,
-            -1.0, 0.0,
-            0.0, -1.0,
-            -1.0, -1.0,
-            -1.0, 0.0,
-            0.0, -1.0,
-        ];
-        a_position.data(gfx.ctx, points, gfx.ctx.STATIC_DRAW);
-        a_tex_position.data(gfx.ctx, uv, gfx.ctx.STATIC_DRAW);
-        color.bind(gfx);
-        gfx.ctx.drawArrays(gfx.ctx.TRIANGLES, 0, 6);
-        color.unbind(gfx);
     }
-    else {
+    overrideDraw(draw) {
-        const a_color = gfx.getAttribute("a_color");
+        this.draw = draw;
-        const colors = new Array(6);
+    }
-        colors.fill(color);
+    draw(gfx, corners) {
-        a_position.data(gfx.ctx, points, gfx.ctx.STATIC_DRAW);
+        if (this.fill instanceof Texture) {
-        a_color.data(gfx.ctx, colors.flat(), gfx.ctx.STATIC_DRAW);
+            this.data = [
-        gfx.ctx.drawArrays(gfx.ctx.TRIANGLES, 0, 6);
+                corners[0].x, corners[0].y, corners[0].z, 0, 0, 0, 0, 0, 0,
+                corners[1].x, corners[1].y, corners[1].z, 0, 0, 0, 0, -1, 0,
+                corners[3].x, corners[3].y, corners[3].z, 0, 0, 0, 0, 0, -1,
+                corners[2].x, corners[2].y, corners[2].z, 0, 0, 0, 0, -1, -1,
+                corners[1].x, corners[1].y, corners[1].z, 0, 0, 0, 0, -1, 0,
+                corners[3].x, corners[3].y, corners[3].z, 0, 0, 0, 0, 0, -1,
+            ];
+        }
+        else {
+            this.data = [
+                corners[0].x, corners[0].y, corners[0].z, this.fill[0], this.fill[1], this.fill[2], this.fill[3], 0, 0,
+                corners[1].x, corners[1].y, corners[1].z, this.fill[0], this.fill[1], this.fill[2], this.fill[3], 0, 0,
+                corners[3].x, corners[3].y, corners[3].z, this.fill[0], this.fill[1], this.fill[2], this.fill[3], 0, 0,
+                corners[2].x, corners[2].y, corners[2].z, this.fill[0], this.fill[1], this.fill[2], this.fill[3], 0, 0,
+                corners[1].x, corners[1].y, corners[1].z, this.fill[0], this.fill[1], this.fill[2], this.fill[3], 0, 0,
+                corners[3].x, corners[3].y, corners[3].z, this.fill[0], this.fill[1], this.fill[2], this.fill[3], 0, 0,
+            ];
+        }
+        this.vertexStride = 9;
+        this.stride = this.vertexStride * 4;
+        gfx.toRender.push({ ...this });
+    }
+    drawExts(gfx, position, exts) {
+        if (this.fill instanceof Texture) {
+            this.data = [
+                position.x, position.y, position.z, 0, 0, 0, 0, 0, 0,
+                position.x + exts.x, position.y, position.z, 0, 0, 0, 0, -1, 0,
+                position.x, position.y + exts.y, position.z, 0, 0, 0, 0, 0, -1,
+                position.x + exts.x, position.y + exts.y, position.z, 0, 0, 0, 0, -1, -1,
+                position.x + exts.x, position.y, position.z, 0, 0, 0, 0, -1, 0,
+                position.x, position.y + exts.y, position.z, 0, 0, 0, 0, 0, -1,
+            ];
+        }
+        else {
+            this.data = [
+                position.x, position.y, position.z, this.fill[0], this.fill[1], this.fill[2], this.fill[3], 0, 0,
+                position.x + exts.x, position.y, position.z, this.fill[0], this.fill[1], this.fill[2], this.fill[3], 0, 0,
+                position.x, position.y + exts.y, position.z, this.fill[0], this.fill[1], this.fill[2], this.fill[3], 0, 0,
+                position.x + exts.x, position.y + exts.y, position.z, this.fill[0], this.fill[1], this.fill[2], this.fill[3], 0, 0,
+                position.x + exts.x, position.y, position.z, this.fill[0], this.fill[1], this.fill[2], this.fill[3], 0, 0,
+                position.x, position.y + exts.y, position.z, this.fill[0], this.fill[1], this.fill[2], this.fill[3], 0, 0,
+            ];
+        }
+        this.vertexStride = 9;
+        this.stride = this.vertexStride * 4;
+        gfx.toRender.push(this);
     }
 }
-export function drawIsometricCube(gfx, camera, position, exts, color, edge) {
+export function drawIsometricCube(gfx, position, exts, color, edge) {
     let points = [
         // Left Top
         position,
@@ -97,36 +101,38 @@ export function drawIsometricCube(gfx, camera, position, exts, color, edge) {
         new Vec3(position.x + 1.5 * exts.x, position.y + 0.5 * exts.y, position.z + 0.25 * exts.z),
         new Vec3(position.x + 0.5 * exts.x, position.y - 0.5 * exts.y, position.z + 0.25 * exts.z),
     ];
-    let screen = new Vec4(-camera.position.x, -camera.position.y, gfx.ctx.canvas.width, gfx.ctx.canvas.height);
+    let r = new Rectangle(color.top, [
-    gfx.ctx.uniform1i(gfx.getUniform("u_isIso"), 1);
+        DrawTag.ISO,
+    ]);
     // Top
-    drawRectangle(gfx, [
+    r.draw(gfx, [
         points[0],
         points[1],
         points[3],
         points[2],
-    ], color.top);
+    ]);
     // Right Edge
     if (edge == TileEdge.Right || edge == TileEdge.Both) {
-        drawRectangle(gfx, [
+        r.fill = color.right;
+        r.draw(gfx, [
             points[3],
             points[2],
             points[4],
             points[5],
-        ], color.right);
+        ]);
     }
     // Left Edge
     if (edge == TileEdge.Left || edge == TileEdge.Both) {
-        drawRectangle(gfx, [
+        r.fill = color.left;
+        r.draw(gfx, [
             points[0],
             points[2],
             points[4],
             points[6],
-        ], color.left);
+        ]);
     }
-    gfx.ctx.uniform1i(gfx.getUniform("u_isIso"), 0);
 }
-export function drawIsometricGrid(gfx, camera, grid) {
+export function drawIsometricGrid(gfx, grid) {
     let position = { ...grid.position };
     let exts = new Vec3(grid.tileSize, grid.tileSize, 0);
     let tileCoord = new Vec3(0, 0, 0);
@@ -142,7 +148,7 @@ export function drawIsometricGrid(gfx, camera, grid) {
                     position.x += grid.tileSize;
                     continue;
                 }
-                drawIsometricCube(gfx, camera, new Vec3(position.x - grid.tileSize / 2 * k, position.y + grid.tileSize / 2 * k, position.z), exts, tile.fill, tile.edge);
+                drawIsometricCube(gfx, new Vec3(position.x - grid.tileSize / 2 * k, position.y + grid.tileSize / 2 * k, position.z), exts, tile.fill, tile.edge);
                 position.x += grid.tileSize;
             }
             position.y -= grid.tileSize;
@@ -151,71 +157,3 @@ export function drawIsometricGrid(gfx, camera, grid) {
         position.y = grid.position.y;
     }
 }
-export function drawRectangleExts(gfx, position, exts, color) {
-    const a_position = gfx.getAttribute("a_position");
-    const points = [
-        position.x, position.y, position.z,
-        position.x + exts.x, position.y, position.z,
-        position.x, position.y + exts.y, position.z,
-        position.x + exts.x, position.y + exts.y, position.z,
-        position.x + exts.x, position.y, position.z,
-        position.x, position.y + exts.y, position.z,
-    ];
-    if (color instanceof Texture) {
-        const a_tex_position = gfx.getAttribute("a_tex_position");
-        const uv = [
-            0.0, 0.0,
-            -1.0, 0.0,
-            0.0, -1.0,
-            -1.0, -1.0,
-            -1.0, 0.0,
-            0.0, -1.0,
-        ];
-        a_position.data(gfx.ctx, points, gfx.ctx.STATIC_DRAW);
-        a_tex_position.data(gfx.ctx, uv, gfx.ctx.STATIC_DRAW);
-        color.bind(gfx);
-        gfx.ctx.drawArrays(gfx.ctx.TRIANGLES, 0, 6);
-        color.unbind(gfx);
-    }
-    else {
-        const a_color = gfx.getAttribute("a_color");
-        const colors = new Array(6);
-        colors.fill(color);
-        a_position.data(gfx.ctx, points, gfx.ctx.STATIC_DRAW);
-        a_color.data(gfx.ctx, colors.flat(), gfx.ctx.STATIC_DRAW);
-        gfx.ctx.drawArrays(gfx.ctx.TRIANGLES, 0, 6);
-    }
-}
-export function drawCircle(gfx, position, radius, color) {
-    const points = new Array();
-    const precision = 40;
-    const angle = 2.0 * Math.PI / precision;
-    let a = 0;
-    for (let i = 0; i < precision; ++i) {
-        var vec = Vec2.angle(a);
-        vec.multScalar(radius);
-        a += angle;
-        points.push(vec);
-    }
-    for (let i = 0; i < points.length; i++) {
-        const current = points[i];
-        const next = points[(i + 1) % points.length];
-        let center = position;
-        drawTriangle(gfx, [center, center.addNew(current), center.addNew(next)], color);
-    }
-}
-export function drawLine(gfx, A, B, color) {
-    const a_position = gfx.getAttribute("a_position");
-    const a_color = gfx.getAttribute("a_color");
-    let points = [
-        A.x, A.y,
-        B.x, B.y,
-    ];
-    const colors = [
-        color,
-        color,
-    ];
-    a_position.data(gfx.ctx, points, gfx.ctx.STATIC_DRAW);
-    a_color.data(gfx.ctx, colors.flat(), gfx.ctx.STATIC_DRAW);
-    gfx.ctx.drawArrays(gfx.ctx.LINES, 0, 2);
-}

src/js/draw.ts

@@ -1,6 +1,6 @@
-import { Vec3, Vec2, Vec4, Mat4 } from "./common.js"
+import { Vec3, Vec2, Vec4 } from "./common.js"
-import { Camera, Graphics, Texture } from "./graphics.js";
+import { Graphics, Texture, Drawable, DrawTag } from "./graphics.js";
-import {Grid, TileEdge, TileFill} from "./world.js";
+import { TileEdge, TileFill, Grid } from "./world.js";
 import * as Assets from "./assets.js";
 
 // TODO: Don't assume tile size is same in all directions
@@ -20,93 +20,93 @@ function cull(point: Vec3, screen: Vec4, tileSize: number): boolean {
     return false;
 }
 
-export function drawTriangle(gfx: Graphics, positions: [Vec2, Vec2, Vec2], color: Assets.Color) {
+// Attrib format
-    const a_position = gfx.getAttribute("a_position");
+// position color   uv   
-    const a_color = gfx.getAttribute("a_color");
+//    (3)    (4)   (2)  => 3 + 4 + 2 = 9 <=> data.len % 9 == 0
 
-    const points: Array<number> = [
+export class Rectangle implements Drawable {
-        positions[0].x, positions[0].y,
+    fill: Texture | Assets.Color;
-        positions[1].x, positions[1].y,
+    attribs: string[] = ["a_position", "a_color", "a_tex_position"];
-        positions[2].x, positions[2].y,
+    tags: Array<DrawTag> = [];
-    ]
 
-    const colors: Array<number[]> = [
+    data: number[] = [];
-        color,
+    stride: number = 0;
-        color,
+    vertexStride: number = 0;
-        color,
-    ];
 
-    a_position.data(gfx.ctx, points, gfx.ctx.STATIC_DRAW);
+    constructor(fill: Texture | Assets.Color, tags?: Array<DrawTag>, attribs?: string[]) {
-    a_color.data(gfx.ctx, colors.flat(), gfx.ctx.STATIC_DRAW);
+        this.fill = fill;
-    gfx.ctx.drawArrays(gfx.ctx.TRIANGLES, 0, 3);
-}
 
-export function drawTriangleExts(gfx: Graphics, position: Vec3, exts: Vec2, color: Assets.Color) {
+        if (attribs !== undefined) {
-    const a_position = gfx.getAttribute("a_position");
+            this.attribs = attribs;
-    const a_color = gfx.getAttribute("a_color");
+        }
 
-    const points: Array<number> = [
+        if (tags !== undefined) {
-        position.x, position.y, position.z,
+            this.tags = tags;
-        position.x + exts.x, position.y, position.z,
+        }
-        position.x, position.y + exts.y, position.z,
-    ]
-
-    const colors: Array<number[]> = [
-        color,
-        color,
-        color,
-    ];
-
-    a_position.data(gfx.ctx, points, gfx.ctx.STATIC_DRAW);
-    a_color.data(gfx.ctx, colors.flat(), gfx.ctx.STATIC_DRAW);
-    gfx.ctx.drawArrays(gfx.ctx.TRIANGLES, 0, 3);
-}
-
-export function drawRectangle(gfx: Graphics, corners: [Vec3, Vec3, Vec3, Vec3], color: Assets.Color | Texture) {
-    const a_position = gfx.getAttribute("a_position");
-
-    const points: Array<number> = [
-        corners[0].x, corners[0].y, corners[0].z, 
-        corners[1].x, corners[1].y, corners[1].z, 
-        corners[3].x, corners[3].y, corners[3].z, 
-
-        corners[2].x, corners[2].y, corners[2].z, 
-        corners[1].x, corners[1].y, corners[1].z, 
-        corners[3].x, corners[3].y, corners[3].z,
-
-    ]
-
-    if (color instanceof Texture) {
-        const a_tex_position = gfx.getAttribute("a_tex_position");
-        
-        const uv: Array<number> = [
-            0.0, 0.0,
-            -1.0, 0.0,
-            0.0, -1.0,
-            -1.0, -1.0,
-            -1.0, 0.0,
-            0.0, -1.0,
-        ];
-
-        a_position.data(gfx.ctx, points, gfx.ctx.STATIC_DRAW);
-        a_tex_position.data(gfx.ctx, uv, gfx.ctx.STATIC_DRAW);
-        color.bind(gfx);
-        gfx.ctx.drawArrays(gfx.ctx.TRIANGLES, 0, 6);
-        color.unbind(gfx);
-    } else {
-        const a_color = gfx.getAttribute("a_color");
-
-        const colors: Array<number[]> = new Array(6);
-        colors.fill(color);
-
-        a_position.data(gfx.ctx, points, gfx.ctx.STATIC_DRAW);
-        a_color.data(gfx.ctx, colors.flat(), gfx.ctx.STATIC_DRAW);
-        gfx.ctx.drawArrays(gfx.ctx.TRIANGLES, 0, 6);
     }
 
+    overrideDraw(draw: (...args: any[]) => void) {
+        this.draw = draw;
+    }
+
+    draw(gfx: Graphics, corners: [Vec3, Vec3, Vec3, Vec3]) {
+        if (this.fill instanceof Texture) {
+            this.data = [
+                corners[0].x, corners[0].y, corners[0].z, 0, 0, 0, 0,  0,  0,
+                corners[1].x, corners[1].y, corners[1].z, 0, 0, 0, 0, -1,  0,
+                corners[3].x, corners[3].y, corners[3].z, 0, 0, 0, 0,  0, -1,
+                                                           
+                corners[2].x, corners[2].y, corners[2].z, 0, 0, 0, 0, -1, -1,
+                corners[1].x, corners[1].y, corners[1].z, 0, 0, 0, 0, -1,  0,
+                corners[3].x, corners[3].y, corners[3].z, 0, 0, 0, 0,  0, -1,
+            ]
+        } else {
+            this.data = [
+                corners[0].x, corners[0].y, corners[0].z, this.fill[0], this.fill[1], this.fill[2], this.fill[3], 0, 0,
+                corners[1].x, corners[1].y, corners[1].z, this.fill[0], this.fill[1], this.fill[2], this.fill[3], 0, 0,
+                corners[3].x, corners[3].y, corners[3].z, this.fill[0], this.fill[1], this.fill[2], this.fill[3], 0, 0,
+                                                                                                                       
+                corners[2].x, corners[2].y, corners[2].z, this.fill[0], this.fill[1], this.fill[2], this.fill[3], 0, 0,
+                corners[1].x, corners[1].y, corners[1].z, this.fill[0], this.fill[1], this.fill[2], this.fill[3], 0, 0,
+                corners[3].x, corners[3].y, corners[3].z, this.fill[0], this.fill[1], this.fill[2], this.fill[3], 0, 0,
+            ]
+        }
+
+        this.vertexStride = 9;
+        this.stride = this.vertexStride * 4
+        gfx.toRender.push({...this});
+    }
+
+    drawExts(gfx: Graphics, position: Vec3, exts: Vec2) {
+        if (this.fill instanceof Texture) {
+            this.data = [
+                position.x, position.y, position.z,                     0, 0, 0, 0, 0, 0,
+                position.x + exts.x, position.y, position.z,           0, 0, 0, 0, -1, 0,
+                position.x, position.y + exts.y, position.z,           0, 0, 0, 0, 0, -1, 
+                                                                                         
+                position.x + exts.x, position.y + exts.y, position.z, 0, 0, 0, 0, -1, -1, 
+                position.x + exts.x, position.y, position.z,           0, 0, 0, 0, -1, 0, 
+                position.x, position.y + exts.y, position.z,           0, 0, 0, 0, 0, -1, 
+            ]
+        } else {
+            this.data = [
+                position.x, position.y, position.z,          this.fill[0], this.fill[1], this.fill[2], this.fill[3], 0, 0,
+                position.x + exts.x, position.y, position.z, this.fill[0], this.fill[1], this.fill[2], this.fill[3], 0, 0,
+                position.x, position.y + exts.y, position.z, this.fill[0], this.fill[1], this.fill[2], this.fill[3], 0, 0, 
+                
+                position.x + exts.x, position.y + exts.y, position.z, this.fill[0], this.fill[1], this.fill[2], this.fill[3], 0, 0, 
+                position.x + exts.x, position.y, position.z, this.fill[0], this.fill[1], this.fill[2], this.fill[3], 0, 0, 
+                position.x, position.y + exts.y, position.z, this.fill[0], this.fill[1], this.fill[2], this.fill[3], 0, 0, 
+            ]
+        }
+
+        this.vertexStride = 9;
+        this.stride = this.vertexStride * 4
+        gfx.toRender.push(this);
+    }
 }
 
-export function drawIsometricCube(gfx: Graphics, camera: Camera, position: Vec3, exts: Vec3, color: TileFill, edge: TileEdge) {
+export function drawIsometricCube(gfx: Graphics, position: Vec3, exts: Vec3, color: TileFill, edge: TileEdge) {
     let points = [
         // Left Top
         position,
@@ -122,16 +122,12 @@ export function drawIsometricCube(gfx: Graphics, camera: Camera, position: Vec3,
         new Vec3(position.x + 0.5 * exts.x, position.y - 0.5 * exts.y, position.z + 0.25 * exts.z),
     ];
 
-    let screen = new Vec4(
+    let r = new Rectangle(color.top, [
-        -camera.position.x,
+        DrawTag.ISO,
-        -camera.position.y,
+    ]);
-        gfx.ctx.canvas.width,
-        gfx.ctx.canvas.height);
-    
-    gfx.ctx.uniform1i(gfx.getUniform("u_isIso"), 1);
 
     // Top
-    drawRectangle(
+    r.draw(
         gfx, 
         [
             points[0],
@@ -139,39 +135,41 @@ export function drawIsometricCube(gfx: Graphics, camera: Camera, position: Vec3,
             points[3],
             points[2],
         ],
-        color.top);
+    );
     
     // Right Edge
 
     if (edge == TileEdge.Right || edge == TileEdge.Both) {
-        drawRectangle(
+        r.fill = color.right;
+
+        r.draw(
             gfx, 
             [
                 points[3],
                 points[2],
                 points[4],
                 points[5],
-            ],
+            ]
-            color.right);
+        );
     }
 
     // Left Edge
     if (edge == TileEdge.Left || edge == TileEdge.Both) {
-        drawRectangle(
+        r.fill = color.left;
+
+        r.draw(
             gfx, 
             [
                 points[0],
                 points[2],
                 points[4],
                 points[6],
-            ],
+            ]
-            color.left);
+        );
     }
-
-    gfx.ctx.uniform1i(gfx.getUniform("u_isIso"), 0);
 }
 
-export function drawIsometricGrid(gfx: Graphics, camera: Camera, grid: Grid) {
+export function drawIsometricGrid(gfx: Graphics, grid: Grid) {
     let position = {...grid.position} as Vec3;
     let exts = new Vec3(grid.tileSize, grid.tileSize, 0);
     let tileCoord = new Vec3(0, 0, 0);
@@ -191,7 +189,7 @@ export function drawIsometricGrid(gfx: Graphics, camera: Camera, grid: Grid) {
                     continue;
                 }
 
-                drawIsometricCube(gfx, camera, new Vec3(position.x - grid.tileSize / 2 * k, position.y + grid.tileSize / 2 * k, position.z), exts, tile.fill, tile.edge);
+                drawIsometricCube(gfx, new Vec3(position.x - grid.tileSize / 2 * k, position.y + grid.tileSize / 2 * k, position.z), exts, tile.fill, tile.edge);
 
                 position.x += grid.tileSize;
             }
@@ -201,86 +199,3 @@ export function drawIsometricGrid(gfx: Graphics, camera: Camera, grid: Grid) {
         position.y = grid.position.y;
     }
 }
-
-export function drawRectangleExts(gfx: Graphics, position: Vec3, exts: Vec2, color: Assets.Color | Texture) {
-    const a_position = gfx.getAttribute("a_position");
-
-    const points: Array<number> = [
-        position.x, position.y, position.z,
-        position.x + exts.x, position.y, position.z,
-        position.x, position.y + exts.y, position.z,
-        
-        position.x + exts.x, position.y + exts.y, position.z,
-        position.x + exts.x, position.y, position.z,
-        position.x, position.y + exts.y, position.z,
-    ]
-
-    if (color instanceof Texture) {
-        const a_tex_position = gfx.getAttribute("a_tex_position");
-        
-        const uv: Array<number> = [
-            0.0, 0.0,
-            -1.0, 0.0,
-            0.0, -1.0,
-            -1.0, -1.0,
-            -1.0, 0.0,
-            0.0, -1.0,
-        ];
-
-        a_position.data(gfx.ctx, points, gfx.ctx.STATIC_DRAW);
-        a_tex_position.data(gfx.ctx, uv, gfx.ctx.STATIC_DRAW);
-        color.bind(gfx);
-        gfx.ctx.drawArrays(gfx.ctx.TRIANGLES, 0, 6);
-        color.unbind(gfx);
-    } else {
-        const a_color = gfx.getAttribute("a_color");
-
-        const colors: Array<number[]> = new Array(6);
-        colors.fill(color);
-
-        a_position.data(gfx.ctx, points, gfx.ctx.STATIC_DRAW);
-        a_color.data(gfx.ctx, colors.flat(), gfx.ctx.STATIC_DRAW);
-        gfx.ctx.drawArrays(gfx.ctx.TRIANGLES, 0, 6);
-    }
-
-}
-
-export function drawCircle(gfx: Graphics, position: Vec2, radius: number, color: Assets.Color) {
-    const points: Array<Vec2> = new Array<Vec2>();
-
-    const precision = 40;
-    const angle = 2.0*Math.PI/precision;
-    let a = 0;
-    for (let i = 0; i < precision; ++i) {
-        var vec = Vec2.angle(a);
-        vec.multScalar(radius);
-        a += angle;
-        points.push(vec);
-    }
-
-    for (let i = 0; i < points.length; i++) {
-        const current = points[i];
-        const next = points[(i + 1) % points.length];
-        let center = position;
-        drawTriangle(gfx, [center, center.addNew(current), center.addNew(next)], color);
-    }
-}
-
-export function drawLine(gfx: Graphics, A: Vec2, B: Vec2, color: Assets.Color) {
-    const a_position = gfx.getAttribute("a_position");
-    const a_color = gfx.getAttribute("a_color");
-
-    let points: Array<number> = [
-        A.x, A.y,
-        B.x, B.y,
-    ];
-
-    const colors: Array<number[]> = [
-        color,
-        color,
-    ];
-
-    a_position.data(gfx.ctx, points, gfx.ctx.STATIC_DRAW);
-    a_color.data(gfx.ctx, colors.flat(), gfx.ctx.STATIC_DRAW);
-    gfx.ctx.drawArrays(gfx.ctx.LINES, 0, 2);
-}

src/js/graphics.js

@@ -39,16 +39,24 @@ function createProgram(ctx, vertexShaderSource, fragmentShaderSource) {
     }
     return program;
 }
+export var DrawTag;
+(function (DrawTag) {
+    DrawTag[DrawTag["ISO"] = 0] = "ISO";
+})(DrawTag || (DrawTag = {}));
 export class Graphics {
     ctx;
     program;
     attribs = new Map();
     uniforms = new Map();
     vao;
+    vbo;
+    toRender = [];
+    texCount = 0;
     constructor(ctx, vs, fs) {
         this.ctx = ctx;
         this.program = createProgram(ctx, vs, fs);
         this.vao = ctx.createVertexArray();
+        this.vbo = ctx.createBuffer();
         ctx.bindVertexArray(this.vao);
         ctx.viewport(0, 0, ctx.canvas.width, ctx.canvas.height);
         ctx.useProgram(this.program);
@@ -82,60 +90,97 @@ export class Graphics {
             throw new Error("Tried to get uninitialized uniform: " + name);
         return loc;
     }
+    draw() {
+        for (let o of this.toRender) {
+            this.ctx.bindBuffer(this.ctx.ARRAY_BUFFER, this.vbo);
+            this.ctx.bufferData(this.ctx.ARRAY_BUFFER, new Float32Array(o.data), this.ctx.STATIC_DRAW);
+            let aid = 0;
+            for (let a of o.attribs) {
+                let attr = this.getAttribute(a);
+                if (!attr.formatted)
+                    throw new Error("Tried to use unformatted attribute!");
+                this.ctx.enableVertexAttribArray(attr.loc);
+                this.ctx.vertexAttribPointer(attr.loc, attr.size, attr.type, attr.normalized, o.stride, aid * 4);
+                aid += attr.size;
+            }
+            // Generalize the tag uniforms aka. don't hard code them
+            for (let t of o.tags) {
+                switch (t) {
+                    case DrawTag.ISO: {
+                        this.ctx.uniform1ui(this.getUniform("u_isIso"), 1);
+                        break;
+                    }
+                }
+            }
+            if (o.fill instanceof Texture) {
+                this.ctx.uniform1i(this.getUniform("u_isTex"), 1);
+                o.fill.bind(this);
+            }
+            this.ctx.drawArrays(this.ctx.TRIANGLES, 0, o.data.length / o.vertexStride);
+            if (o.fill instanceof Texture) {
+                this.ctx.uniform1i(this.getUniform("u_isTex"), 0);
+                o.fill.unbind(this);
+            }
+            for (let t of o.tags) {
+                switch (t) {
+                    case DrawTag.ISO: {
+                        this.ctx.uniform1ui(this.getUniform("u_isIso"), 0);
+                        break;
+                    }
+                }
+            }
+        }
+        // TODO: Maybe add persistent rendering?
+        this.toRender = [];
+    }
 }
 export class Attribute {
     loc;
-    buffer;
+    formatted = false;
-    // TODO: maybe use undefined as default value?
     size = 0;
     type = 0;
-    normalized = false;
-    stride = 0;
     offset = 0;
+    normalized = false;
     constructor(ctx, program, name) {
         this.loc = ctx.getAttribLocation(program, name);
-        this.buffer = ctx.createBuffer();
     }
-    format(size, type, normalized, stride, offset) {
+    format(size, type, normalized, offset) {
         this.size = size;
         this.type = type;
         this.normalized = normalized;
-        this.stride = stride;
         this.offset = offset;
-    }
+        this.formatted = true;
-    data(ctx, data, usage) {
-        ctx.enableVertexAttribArray(this.loc);
-        ctx.bindBuffer(ctx.ARRAY_BUFFER, this.buffer);
-        ctx.bufferData(ctx.ARRAY_BUFFER, new Float32Array(data), usage);
-        ctx.vertexAttribPointer(this.loc, this.size, this.type, this.normalized, this.stride, this.offset);
     }
 }
 export class Texture {
     tex;
+    texId;
     width = 0;
     height = 0;
-    constructor(tex, width, height) {
+    constructor(texId, tex, width, height) {
         this.height = height;
         this.width = width;
         this.tex = tex;
+        this.texId = texId;
     }
-    static async load(ctx, path) {
+    // TODO: Load sprite sheet only once
+    // TODO: Allow changing sprite size
+    static async load(gfx, path) {
         let image = await loadTexture(path);
-        let tex = ctx.createTexture();
+        let tex = gfx.ctx.createTexture();
-        ctx.bindTexture(ctx.TEXTURE_2D, tex);
+        gfx.ctx.bindTexture(gfx.ctx.TEXTURE_2D, tex);
-        ctx.texImage2D(ctx.TEXTURE_2D, 0, ctx.RGBA, ctx.RGBA, ctx.UNSIGNED_BYTE, image);
+        gfx.ctx.texImage2D(gfx.ctx.TEXTURE_2D, 0, gfx.ctx.RGBA, gfx.ctx.RGBA, gfx.ctx.UNSIGNED_BYTE, image);
-        ctx.texParameteri(ctx.TEXTURE_2D, ctx.TEXTURE_MAG_FILTER, ctx.NEAREST);
+        gfx.ctx.texParameteri(gfx.ctx.TEXTURE_2D, gfx.ctx.TEXTURE_MAG_FILTER, gfx.ctx.NEAREST);
-        ctx.texParameteri(ctx.TEXTURE_2D, ctx.TEXTURE_MIN_FILTER, ctx.NEAREST);
+        gfx.ctx.texParameteri(gfx.ctx.TEXTURE_2D, gfx.ctx.TEXTURE_MIN_FILTER, gfx.ctx.NEAREST);
-        ctx.bindTexture(ctx.TEXTURE_2D, null);
+        gfx.ctx.bindTexture(gfx.ctx.TEXTURE_2D, null);
-        return new Texture(tex, image.width, image.height);
+        gfx.texCount += 1;
+        return new Texture(gfx.texCount, tex, image.width, image.height);
     }
     bind(gfx) {
-        gfx.ctx.uniform1i(gfx.getUniform("u_isTex"), 1);
         gfx.ctx.bindTexture(gfx.ctx.TEXTURE_2D, this.tex);
     }
     unbind(gfx) {
         gfx.ctx.bindTexture(gfx.ctx.TEXTURE_2D, null);
-        gfx.ctx.uniform1i(gfx.getUniform("u_isTex"), 0);
     }
 }
 async function loadTexture(path) {

src/js/graphics.ts

@@ -1,3 +1,4 @@
+import * as Assets from "./assets.js";
 import {Vec2, Vec3, Vec4} from "./common.js";
 
 export function fullscreenCanvas(gfx: Graphics, id: string) {
@@ -51,16 +52,36 @@ function createProgram(ctx: WebGL2RenderingContext, vertexShaderSource: string |
     return program;
 }
 
+export enum DrawTag {
+    ISO,
+}
+
+export interface Drawable {
+    fill: Texture | Assets.Color;
+    attribs: string[];
+    tags: Array<DrawTag>;
+
+    data: Array<number>;
+    vertexStride: number;
+    stride: number;
+}
+
 export class Graphics {
     ctx: WebGL2RenderingContext;
     program: WebGLProgram;
     attribs: Map<string, Attribute> = new Map();
     uniforms: Map<string, WebGLUniformLocation> = new Map();
     vao: WebGLVertexArrayObject;
+    vbo: WebGLBuffer;
+
+    toRender: Array<Drawable> = [];
+    texCount: number = 0;
+
     constructor(ctx: WebGL2RenderingContext, vs: string, fs: string) {
         this.ctx = ctx;
         this.program = createProgram(ctx, vs, fs);
         this.vao = ctx.createVertexArray();
+        this.vbo = ctx.createBuffer();
 
         ctx.bindVertexArray(this.vao);
         ctx.viewport(0, 0, ctx.canvas.width, ctx.canvas.height);
@@ -107,78 +128,126 @@ export class Graphics {
 
         return loc;
     }
+
+    draw() {
+        for (let o of this.toRender) {
+            this.ctx.bindBuffer(this.ctx.ARRAY_BUFFER, this.vbo);
+            this.ctx.bufferData(this.ctx.ARRAY_BUFFER, new Float32Array(o.data), this.ctx.STATIC_DRAW);
+
+            let aid = 0;
+            for (let a of o.attribs) {
+                let attr = this.getAttribute(a);
+                if (!attr.formatted)
+                    throw new Error("Tried to use unformatted attribute!");
+                
+                this.ctx.enableVertexAttribArray(attr.loc);
+                this.ctx.vertexAttribPointer(attr.loc, attr.size, attr.type, attr.normalized, o.stride, aid * 4);
+                aid += attr.size;
+            }
+
+            // Generalize the tag uniforms aka. don't hard code them
+            for (let t of o.tags) {
+                switch (t) {
+                    case DrawTag.ISO: {
+                        this.ctx.uniform1ui(this.getUniform("u_isIso"), 1);
+                        break;
+                    }
+                }
+            }
+
+            if (o.fill instanceof Texture)
+            {
+                this.ctx.uniform1i(this.getUniform("u_isTex"), 1);
+                o.fill.bind(this);
+            }
+
+            this.ctx.drawArrays(this.ctx.TRIANGLES, 0, o.data.length / o.vertexStride);
+
+            if (o.fill instanceof Texture)
+            {
+                this.ctx.uniform1i(this.getUniform("u_isTex"), 0);
+                o.fill.unbind(this);
+            }
+
+            for (let t of o.tags) {
+                switch (t) {
+                    case DrawTag.ISO: {
+                        this.ctx.uniform1ui(this.getUniform("u_isIso"), 0);
+                        break;
+                    }
+                }
+            }
+
+        }
+
+        // TODO: Maybe add persistent rendering?
+        this.toRender = [];
+    }
 }
 
 export class Attribute {
     loc: GLint;
-    buffer: WebGLBuffer;
+    formatted: boolean = false;
 
-    // TODO: maybe use undefined as default value?
     size: GLint = 0;
     type: GLenum = 0;
-    normalized: GLboolean = false;
-    stride: GLsizei = 0;
     offset: GLintptr = 0;
+    normalized: GLboolean = false;
 
     constructor(ctx: WebGL2RenderingContext, program: WebGLProgram, name: string) {
         this.loc = ctx.getAttribLocation(program, name);
-        this.buffer = ctx.createBuffer();
     }
 
     format(
         size: GLint,
         type: GLenum,
         normalized: GLboolean,
-        stride: GLsizei,
         offset: GLintptr)
     {
         this.size = size;
         this.type = type;
         this.normalized = normalized;
-        this.stride = stride;
         this.offset = offset;
-    }
 
-    data(ctx: WebGL2RenderingContext, data: Array<number>, usage: GLenum) {
+        this.formatted = true;
-        ctx.enableVertexAttribArray(this.loc);
-        ctx.bindBuffer(ctx.ARRAY_BUFFER, this.buffer);
-        ctx.bufferData(ctx.ARRAY_BUFFER, new Float32Array(data), usage);
-        ctx.vertexAttribPointer(this.loc, this.size, this.type, this.normalized, this.stride, this.offset);
     }
 }
 
 export class Texture {
     tex: WebGLTexture | null;
+    texId: number;
     width: number = 0;
     height: number = 0;
 
-    constructor(tex: WebGLTexture, width: number, height: number) {
+    constructor(texId: number, tex: WebGLTexture, width: number, height: number) {
         this.height = height;
         this.width = width;
         this.tex = tex;
+        this.texId = texId;
     }
 
-    static async load(ctx: WebGL2RenderingContext, path: string): Promise<Texture> {
+    // TODO: Load sprite sheet only once
+    // TODO: Allow changing sprite size
+    static async load(gfx: Graphics, path: string): Promise<Texture> {
         let image = await loadTexture(path);
         
-        let tex = ctx.createTexture();
+        let tex = gfx.ctx.createTexture();
-        ctx.bindTexture(ctx.TEXTURE_2D, tex);
+        gfx.ctx.bindTexture(gfx.ctx.TEXTURE_2D, tex);
-        ctx.texImage2D(ctx.TEXTURE_2D, 0, ctx.RGBA, ctx.RGBA, ctx.UNSIGNED_BYTE, image);
+        gfx.ctx.texImage2D(gfx.ctx.TEXTURE_2D, 0, gfx.ctx.RGBA, gfx.ctx.RGBA, gfx.ctx.UNSIGNED_BYTE, image);
-        ctx.texParameteri(ctx.TEXTURE_2D, ctx.TEXTURE_MAG_FILTER, ctx.NEAREST);
+        gfx.ctx.texParameteri(gfx.ctx.TEXTURE_2D, gfx.ctx.TEXTURE_MAG_FILTER, gfx.ctx.NEAREST);
-        ctx.texParameteri(ctx.TEXTURE_2D, ctx.TEXTURE_MIN_FILTER, ctx.NEAREST);
+        gfx.ctx.texParameteri(gfx.ctx.TEXTURE_2D, gfx.ctx.TEXTURE_MIN_FILTER, gfx.ctx.NEAREST);
-        ctx.bindTexture(ctx.TEXTURE_2D, null);
+        gfx.ctx.bindTexture(gfx.ctx.TEXTURE_2D, null);
 
-        return new Texture(tex, image.width, image.height);
+        gfx.texCount += 1;
+        return new Texture(gfx.texCount, tex, image.width, image.height);
     }
 
     bind(gfx: Graphics) {
-        gfx.ctx.uniform1i(gfx.getUniform("u_isTex"), 1);
         gfx.ctx.bindTexture(gfx.ctx.TEXTURE_2D, this.tex);
     }
 
     unbind(gfx: Graphics) {
         gfx.ctx.bindTexture(gfx.ctx.TEXTURE_2D, null);
-        gfx.ctx.uniform1i(gfx.getUniform("u_isTex"), 0);
     }
 }
 

src/js/script.js

@@ -7,14 +7,16 @@ import { bush, Grid, Tile, tree } from "./world.js";
 import * as Assets from "./assets.js";
 const vertexShader = `#version 300 es
      
-    in vec3 a_position;
+    layout(location = 0) in vec3 a_position;
-    in vec2 a_tex_position;
+    layout(location = 1) in vec2 a_tex_position;
-    out vec2 v_tex_position;
+    layout(location = 2) in vec4 a_color;
-    in vec4 a_color;
+
     out vec4 v_color;
+    out vec2 v_tex_position;
+
     uniform mat4 u_matrix;
-    uniform bool u_isTex;
     uniform bool u_isIso;
+    uniform bool u_isTex;
 
     mat4 Iso = mat4(
         1, -1, 0, 0,
@@ -22,7 +24,7 @@ const vertexShader = `#version 300 es
         0,  0, 1, 0,
         0,  0, 0, 1
     );
-     
+
     void main() {
         vec4 orthographic;
 
@@ -47,12 +49,12 @@ const fragmentShader = `#version 300 es
 
     precision highp float;
 
-    in vec2 v_tex_position;
     in vec4 v_color;
+    in vec2 v_tex_position;
     out vec4 outColor;
-    uniform bool u_isTex;
 
     uniform sampler2D u_texture;
+    uniform bool u_isTex;
 
     void main() {
         if (u_isTex) {
@@ -76,7 +78,20 @@ function draw(gfx, camera, dt, grid) {
     let mt = Mat4.translate(camera.position);
     let m = mt.multNew(mo);
     gfx.ctx.uniformMatrix4fv(gfx.getUniform("u_matrix"), false, m.splat());
-    drawing.drawIsometricGrid(gfx, camera, grid);
+    drawing.drawIsometricGrid(gfx, grid);
+    //let r = new drawing.Rectangle(Assets.assets.get("grass"), [
+    //    DrawTag.ISO,
+    //    DrawTag.TEXTURED,
+    //]);
+    //r.draw(
+    //    gfx,
+    //    [
+    //        new Vec3(0, 0, 0),
+    //        new Vec3(100, 0, 0),
+    //        new Vec3(100, 100, 0),
+    //        new Vec3(0, 100, 0),
+    //    ]);
+    gfx.draw();
 }
 function addDefaultKeybinds(input, camera) {
     input.addKeyAction("KeyA", [], camera, (c) => {
@@ -107,19 +122,19 @@ function addDefaultKeybinds(input, camera) {
         return;
     const gfx = new Graphics(ctx, vertexShader, fragmentShader);
     fullscreenCanvas(gfx, canvasId);
-    const a_position = gfx.createAttribute("a_position");
+    let a = gfx.createAttribute("a_position");
-    a_position.format(3, gfx.ctx.FLOAT, false, 0, 0);
+    a.format(3, ctx.FLOAT, false, 0);
-    const a_color = gfx.createAttribute("a_color");
+    a = gfx.createAttribute("a_color");
-    a_color.format(4, gfx.ctx.FLOAT, false, 0, 0);
+    a.format(4, ctx.FLOAT, false, 0);
-    const a_tex_position = gfx.createAttribute("a_tex_position");
+    a = gfx.createAttribute("a_tex_position");
-    a_tex_position.format(2, gfx.ctx.FLOAT, false, 0, 0);
+    a.format(2, ctx.FLOAT, false, 0);
     gfx.createUniform("u_matrix");
-    gfx.createUniform("u_isTex");
     gfx.createUniform("u_isIso");
+    gfx.createUniform("u_isTex");
     let camera = new Camera(new Vec3(0, 0, -1));
-    await Assets.assets.load(ctx);
+    await Assets.assets.load(gfx);
     let m = Mat4.isometric();
-    let size = 20;
+    let size = 100;
     let grid = new Grid(m.transformNew(new Vec4(ctx.canvas.width / 4, ctx.canvas.height / 2, 0, 1)).reduce(), 24, size, size, 10);
     grid.fillLayer(new Tile({
         top: Assets.assets.get("grass"),

src/js/script.ts

@@ -1,22 +1,24 @@
 import { initializeContext, Vec3, Mat4, Vec4, Vec2 } from "./common.js";
-import { Graphics, fullscreenCanvas, Camera } from "./graphics.js";
+import { Graphics, fullscreenCanvas, Camera, DrawTag } from "./graphics.js";
 import * as drawing from "./draw.js";
 import * as wasm from "./wasm.js";
 import { Input } from "./input.js";
-import {bush, Grid, Tile, tree} from "./world.js";
+import {bush, Grid, Tile, TileEdge, tree} from "./world.js";
 import * as Assets from "./assets.js";
 
 const vertexShader = 
     `#version 300 es
      
-    in vec3 a_position;
+    layout(location = 0) in vec3 a_position;
-    in vec2 a_tex_position;
+    layout(location = 1) in vec2 a_tex_position;
-    out vec2 v_tex_position;
+    layout(location = 2) in vec4 a_color;
-    in vec4 a_color;
+
     out vec4 v_color;
+    out vec2 v_tex_position;
+
     uniform mat4 u_matrix;
-    uniform bool u_isTex;
     uniform bool u_isIso;
+    uniform bool u_isTex;
 
     mat4 Iso = mat4(
         1, -1, 0, 0,
@@ -24,7 +26,7 @@ const vertexShader =
         0,  0, 1, 0,
         0,  0, 0, 1
     );
-     
+
     void main() {
         vec4 orthographic;
 
@@ -51,12 +53,12 @@ const fragmentShader =
 
     precision highp float;
 
-    in vec2 v_tex_position;
     in vec4 v_color;
+    in vec2 v_tex_position;
     out vec4 outColor;
-    uniform bool u_isTex;
 
     uniform sampler2D u_texture;
+    uniform bool u_isTex;
 
     void main() {
         if (u_isTex) {
@@ -89,7 +91,23 @@ function draw(gfx: Graphics, camera: Camera, dt: number, grid: Grid) {
         m.splat()
         );
           
-    drawing.drawIsometricGrid(gfx, camera, grid);
+    drawing.drawIsometricGrid(gfx, grid);
+
+    //let r = new drawing.Rectangle(Assets.assets.get("grass"), [
+    //    DrawTag.ISO,
+    //    DrawTag.TEXTURED,
+    //]);
+
+    //r.draw(
+    //    gfx,
+    //    [
+    //        new Vec3(0, 0, 0),
+    //        new Vec3(100, 0, 0),
+    //        new Vec3(100, 100, 0),
+    //        new Vec3(0, 100, 0),
+    //    ]);
+
+    gfx.draw();
 }
 
 function addDefaultKeybinds(input: Input, camera: Camera) {
@@ -134,26 +152,24 @@ function addDefaultKeybinds(input: Input, camera: Camera) {
     const gfx = new Graphics(ctx, vertexShader, fragmentShader);
     fullscreenCanvas(gfx, canvasId);
 
-    const a_position = gfx.createAttribute("a_position");
+    let a = gfx.createAttribute("a_position");
-    a_position.format(3, gfx.ctx.FLOAT, false, 0, 0);
+    a.format(3, ctx.FLOAT, false, 0)
-
+    a = gfx.createAttribute("a_color");
-    const a_color = gfx.createAttribute("a_color");
+    a.format(4, ctx.FLOAT, false, 0)
-    a_color.format(4, gfx.ctx.FLOAT, false, 0, 0);
+    a = gfx.createAttribute("a_tex_position");
-
+    a.format(2, ctx.FLOAT, false, 0)
-    const a_tex_position = gfx.createAttribute("a_tex_position");
-    a_tex_position.format(2, gfx.ctx.FLOAT, false, 0, 0);
 
     gfx.createUniform("u_matrix");
-    gfx.createUniform("u_isTex");
     gfx.createUniform("u_isIso");
+    gfx.createUniform("u_isTex");
 
     let camera = new Camera(new Vec3(0, 0, -1));
 
-    await Assets.assets.load(ctx);
+    await Assets.assets.load(gfx);
 
     let m = Mat4.isometric();
 
-    let size = 20;
+    let size = 100;
     let grid = new Grid(m.transformNew(new Vec4(ctx.canvas.width / 4, ctx.canvas.height / 2, 0, 1)).reduce(), 24, size, size, 10);
     grid.fillLayer(new Tile({
         top: Assets.assets.get("grass"),