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Generate agents

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This commit is contained in:
Andras Schmelczer 2023-05-21 11:03:37 +01:00
commit 7e8ca4b16f
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10 changed files with 368 additions and 89 deletions
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49
src/pipelines/agents/agent.wgsl
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@ -4,6 +4,8 @@ struct Settings {
turnRate: f32,
sensorAngle: f32,
sensorOffset: f32,
nextGenerationAggression: f32,
// nextGenerationParity: f32,
};
@group(1) @binding(0) var<uniform> settings: Settings;
@ -14,38 +16,29 @@ struct Settings {
fn main(@builtin(global_invocation_id) global_id: vec3<u32>) {
let id = global_id.x;
if (id >= arrayLength(&agents)) {
if (id >= arrayLength(&agents) || agents[id].timeToLive <= 0) {
return;
}
var agent = agents[id];
// if (agent.timeToLive <= 0.) {
// agent.position = vec2(
// random_with_seed(agent.position, f32(id) + state.time),
// random_with_seed(agent.position, f32(id) + state.time + 12),
// );
// agent.angle = random_with_seed(vec2(agent.angle), f32(id) + state.time);
// agent.species = 1;
// agent.timeToLive = 1000;
// agents[id] = agent;
// return;
// }
let random = hash(id + u32(state.time * 16732.0));
let random = hash(id + u32(state.time % 107 * 1673.7));
let trailCurrent = textureLoad(trailMapIn, vec2<i32>(agent.position), 0);
// var weight: f32;
// if(agent.species == 0) {
// weight = trailCurrent.r - trailCurrent.g;
// } else {
// weight = trailCurrent.g - trailCurrent.r;
// }
// if (weight < 0) {
// agent.timeToLive = 0;
// return;
// }
var weight: f32;
if(agent.species == 0) {
if trailCurrent.r < trailCurrent.g {
agent.species = 1;
agents[id] = agent;
return;
}
} else {
if trailCurrent.g < trailCurrent.r {
agent.timeToLive = 0;
agents[id] = agent;
return;
}
}
let trailForward = sense(agent.position, agent.angle, settings.sensorOffset, 0);
let trailLeft = sense(agent.position, agent.angle, settings.sensorOffset, settings.sensorAngle);
@ -59,9 +52,9 @@ fn main(@builtin(global_invocation_id) global_id: vec3<u32>) {
weightLeft += trailLeft.r - trailLeft.g;
weightRight += trailRight.r - trailRight.g;
} else {
weightForward += trailForward.g - trailForward.r;
weightLeft += trailLeft.g - trailLeft.r;
weightRight += trailRight.g - trailRight.r;
weightForward += trailForward.g + trailForward.r * settings.nextGenerationAggression;
weightLeft += trailLeft.g + trailLeft.r * settings.nextGenerationAggression;
weightRight += trailRight.g + trailRight.r * settings.nextGenerationAggression;
}
var rotation: f32 = 0;