andras/fleeting-garden
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Improve spawn shape

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This commit is contained in:
Andras Schmelczer 2023-04-18 21:37:31 +01:00
commit 6085f9da9f
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GPG key ID: FC8F2C3D3D1A718C
4 changed files with 53 additions and 36 deletions
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37
src/renderer.ts
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@ -36,10 +36,29 @@ export default class Renderer {
this.resize();
window.addEventListener('resize', this.resize.bind(this));
const agents: Array<Agent> = new Array(settings.agentCount).fill(0).map(() => ({
position: vec2.fromValues(randomBetween(1 / 3, 2 / 3), randomBetween(1 / 3, 2 / 3)),
angle: randomBetween(0, Math.PI * 2),
}));
const minSize = Math.min(this.canvas.width, this.canvas.height);
const ratio = Math.max(this.canvas.width, this.canvas.height) / minSize;
const size = vec2.fromValues(
this.canvas.width / minSize,
this.canvas.height / minSize
);
vec2.normalize(size, size);
console.log(size);
const agents: Array<Agent> = new Array(settings.agentCount).fill(0).map(() => {
const radius = randomBetween(0, settings.startingRadius / ratio);
const angle = randomBetween(0, Math.PI * 2);
const center = vec2.fromValues(0.5, 0.5);
const delta = vec2.fromValues(Math.cos(angle) * radius, Math.sin(angle) * radius);
vec2.divide(delta, delta, size);
const position = vec2.add(vec2.create(), center, delta);
return {
position,
angle: angle + Math.PI,
};
});
this.agentPipeline = new AgentPipeline(this.device, agents);
this.renderPipeline = new RenderPipeline(
@ -114,10 +133,12 @@ export default class Renderer {
});
const commandEncoder = this.device.createCommandEncoder();
this.agentPipeline.execute(commandEncoder, this.trailMapA, this.trailMapB);
this.diffusionPipeline.execute(commandEncoder, this.trailMapB, this.trailMapA);
this.renderPipeline.execute(commandEncoder, this.trailMapA);
[this.trailMapA, this.trailMapB] = [this.trailMapB, this.trailMapA];
for (let i = 0; i < settings.renderSpeed; i++) {
this.agentPipeline.execute(commandEncoder, this.trailMapA, this.trailMapB);
this.diffusionPipeline.execute(commandEncoder, this.trailMapB, this.trailMapA);
this.renderPipeline.execute(commandEncoder, this.trailMapA);
[this.trailMapA, this.trailMapB] = [this.trailMapB, this.trailMapA];
}
this.queue.submit([commandEncoder.finish()]);