Rename species to generation

src/index.ts

@@ -76,8 +76,8 @@ const main = async () => {
 
     const updateCounters = () => {
       elements.counters.innerHTML = `FPS: ${deltaTimeCalculator.fps.toFixed(2)}
-Gen1: ${game?.aliveAgentCounts.currentGenerationCount ?? 0}
-Gen2: ${game?.aliveAgentCounts.nextGenerationCount ?? 0}`;
+current gen: ${game?.aliveAgentCounts.currentGenerationCount ?? 0}
+next gen: ${game?.aliveAgentCounts.nextGenerationCount ?? 0}`;
       window.requestAnimationFrame(updateCounters);
     };
     updateCounters();

src/pipelines/agents/agent-generation/agent-counting.wgsl

@@ -13,7 +13,7 @@ fn main(@builtin(global_invocation_id) global_id: vec3<u32>) {
     return;
   }
 
-  if agents[id].species % 2 == 0 {
+  if agents[id].generation % 2 == 0 {
     atomicAdd(&counters.evenGenerationAlive, 1);
   } else {
     atomicAdd(&counters.oddGenerationAlive, 1);

src/pipelines/agents/agent-generation/agent-generation.wgsl

@@ -15,6 +15,6 @@ fn main(@builtin(global_invocation_id) global_id: vec3<u32>) {
   }
 
   if length(settings.center - agents[id].position) < settings.radius {
-    agents[id].species = settings.nextGenerationId;
+    agents[id].generation = settings.nextGenerationId;
   }
 }

src/pipelines/agents/agent-generation/agent-schema.wgsl

@@ -1,7 +1,7 @@
 struct Agent {
   position: vec2<f32>,
   angle: f32,
-  species: f32,
+  generation: f32,
 }
 
 @group(1) @binding(1) var<storage, read_write> agents: array<Agent>;

src/pipelines/agents/agent-generation/agent.ts

@@ -3,7 +3,7 @@ import { vec2 } from 'gl-matrix';
 export interface Agent {
   position: vec2;
   angle: number;
-  species: number;
+  generation: number;
 }
 
 export const AGENT_SIZE_IN_BYTES = 4 * Float32Array.BYTES_PER_ELEMENT;

src/pipelines/agents/agent.wgsl

@@ -31,7 +31,7 @@ fn main(@builtin(global_invocation_id) global_id: vec3<u32>) {
   // even generation id -> red channel
   // odd generation id -> green channel
 
-  let isFromEvenGeneration = agent.species % 2 == 0;
+  let isFromEvenGeneration = agent.generation % 2 == 0;
   
   let trailForward = sense(agent.position, agent.angle, settings.sensorOffset, 0);
   let trailLeft = sense(agent.position, agent.angle, settings.sensorOffset, settings.sensorAngle);
@@ -81,18 +81,18 @@ fn main(@builtin(global_invocation_id) global_id: vec3<u32>) {
   
   if(isFromEvenGeneration) {
     if next.r < next.g {
-      if agent.species == settings.nextGenerationId {
-        // agent.species -= 1;
+      if agent.generation == settings.nextGenerationId {
+        // agent.generation -= 1;
       } else {
-        agent.species += 1;
+        agent.generation += 1;
       }
     }
   } else {
     if next.g < next.r {
-       if agent.species == settings.nextGenerationId {
-        // agent.species -= 1;
+       if agent.generation == settings.nextGenerationId {
+        // agent.generation -= 1;
       } else {
-        agent.species += 1;
+        agent.generation += 1;
       }
     }
   }

src/pipelines/render/render-pipeline.ts

@@ -53,8 +53,8 @@ export class RenderPipeline {
 
   public setParameters({
     brushColor,
-    speciesAColor,
-    speciesBColor,
+    evenGenerationColor,
+    oddGenerationColor,
     clarity,
   }: RenderSettings) {
     this.device.queue.writeBuffer(
@@ -63,9 +63,9 @@ export class RenderPipeline {
       new Float32Array([
         ...brushColor,
         0, //padding
-        ...speciesAColor,
+        ...evenGenerationColor,
         0, //padding
-        ...speciesBColor,
+        ...oddGenerationColor,
         clarity,
       ])
     );

src/pipelines/render/render-settings.ts

@@ -2,7 +2,7 @@ import { vec3 } from 'gl-matrix';
 
 export interface RenderSettings {
   brushColor: vec3;
-  speciesAColor: vec3;
-  speciesBColor: vec3;
+  evenGenerationColor: vec3;
+  oddGenerationColor: vec3;
   clarity: number;
 }

src/pipelines/render/render.wgsl

@@ -1,7 +1,7 @@
 struct Settings {
   brushColor: vec3<f32>,
-  speciesAColor: vec3<f32>,
-  speciesBColor: vec3<f32>,
+  evenGenerationColor: vec3<f32>,
+  oddGenerationColor: vec3<f32>,
   clarity: f32,
 };
 
@@ -16,12 +16,12 @@ fn fragment(@location(0) uv: vec2<f32>) -> @location(0) vec4<f32> {
 
   let backgroundColor = vec3(0.9) + 0.075 * random.r;
 
-  let speciesAStrength = clamp(pow(traces.r, settings.clarity), 0, 1);
-  let speciesBStrength = clamp(pow(traces.g, settings.clarity), 0, 1);
+  let evenGenerationStrength = clamp(pow(traces.r, settings.clarity), 0, 1);
+  let oddGenerationStrength = clamp(pow(traces.g, settings.clarity), 0, 1);
   let brushStrength = traces.a;
 
-  let agentColor = step(speciesAStrength, speciesBStrength) * settings.speciesBColor * speciesBStrength + step(speciesBStrength, speciesAStrength) * settings.speciesAColor * speciesAStrength;
-  let agentStrength = speciesAStrength + speciesBStrength;
+  let agentColor = step(evenGenerationStrength, oddGenerationStrength) * settings.oddGenerationColor * oddGenerationStrength + step(oddGenerationStrength, evenGenerationStrength) * settings.evenGenerationColor * evenGenerationStrength;
+  let agentStrength = evenGenerationStrength + oddGenerationStrength;
 
   let rgbColor = sqrt(
     mix(agentColor, settings.brushColor * brushStrength, clamp(brushStrength - agentStrength, 0, 1))

src/settings.ts

@@ -20,12 +20,12 @@ export const settings: GameLoopSettings &
   DiffusionSettings &
   RenderSettings = {
   agentCount: 4_000_000, // requires restart
-  initialDeadRatio: 0.2, // requires restart
 
   aggressionFactor: 0.5, // requires restart
-  nextGenerationSpawnRadius: 50,
+  nextGenerationSpawnRadius: 1,
+  nextGenerationSpawnInterval: 2,
 
-  renderSpeed: 5,
+  renderSpeed: 10,
   simulatedDelayMs: 0,
 
   brushWidth: 20,
@@ -43,7 +43,7 @@ export const settings: GameLoopSettings &
   decayRateBrush: 0.995, // inverse
 
   brushColor: palette.blue,
-  speciesAColor: palette.yellow,
-  speciesBColor: palette.purple,
-  clarity: 3,
+  evenGenerationColor: palette.yellow,
+  oddGenerationColor: palette.purple,
+  clarity: 1,
 };