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Merged
MartinFillon merged 1 commit into from
Mar 21, 2025
Merged

Feat/graphics/add dynamic canvas #24

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42 changes: 22 additions & 20 deletions packages/graphics-2d/src/components/component.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -40,7 +40,7 @@ export abstract class NfgComponent {

public async init(): Promise<typeof this> {
await this._init();
this._updateUniforms();
this.updateUniforms();
this._updatePipeline();
return this;
}
Expand All @@ -52,6 +52,27 @@ export abstract class NfgComponent {
pass.draw(this._vertices.length / this._vertexLength, this._duplicate);
}

public updateUniforms(): void {
const uniformArray = new Float32Array([
0,
0,
0,
1,
1,
1,
this._core.initContext.canvas.width,
this._core.initContext.canvas.height,
]);
console.log(this._core.initContext.canvas.width, this._core.initContext.canvas.height);
if (!this._uniformBuffer)
this._uniformBuffer = this._core.device.createBuffer({
label: "View Uniforms",
size: uniformArray.byteLength,
usage: GPUBufferUsage.UNIFORM | GPUBufferUsage.COPY_DST,
});
this._core.device.queue.writeBuffer(this._uniformBuffer, 0, uniformArray);
}

protected abstract _init(): Promise<void>;

protected _setVertices(raw: number[]): void {
Expand Down Expand Up @@ -96,25 +117,6 @@ export abstract class NfgComponent {
this._updateBindGroup();
}

protected _updateUniforms(): void {
const uniformArray = new Float32Array([
0,
0,
0,
1,
1,
1,
this._core.initContext.canvas.width,
this._core.initContext.canvas.height,
]);
this._uniformBuffer = this._core.device.createBuffer({
label: "View Uniforms",
size: uniformArray.byteLength,
usage: GPUBufferUsage.UNIFORM | GPUBufferUsage.COPY_DST, // Une uniform est une valeur constante pour le gpu
});
this._core.device.queue.writeBuffer(this._uniformBuffer, 0, uniformArray);
}

protected _updateBindGroup(): void {
this._bindGroup = this._core.device.createBindGroup({
label: `${this._label} renderer bind group`,
Expand Down
27 changes: 27 additions & 0 deletions packages/graphics-2d/src/render/window.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -4,9 +4,16 @@ import { type GraphicsRender } from "../render";
export class NfgWindow {
private _components: NfgComponent[] = [];
private _render: GraphicsRender;
private _uniformTimeout: boolean = false;
private _uniformNeed: boolean = false;

constructor(render: GraphicsRender) {
this._render = render;

window.addEventListener("resize", () => {
this._updateWindowSize();
});
this._updateWindowSize();
}

get width(): number {
Expand All @@ -22,7 +29,27 @@ export class NfgWindow {
}

public render(): void {
if (this._uniformNeed) {
this.updateAllUniforms();
this._uniformNeed = false;
}
this._render.render(this._components);
this._components = [];
}

private _updateWindowSize(): void {
this._render.canvas.width = window.innerWidth;
this._render.canvas.height = window.innerHeight;
// Uncomment if need performances
// if (this._uniformTimeout) return;
this._uniformTimeout = true;
this._uniformNeed = true;
setTimeout(() => {
this._uniformTimeout = false;
}, 100);
}

private updateAllUniforms(): void {
this._components.forEach((component) => component.updateUniforms());
}
}
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