Cool 0.0.0. Rend 1.0.4.

1 files changed, 0 insertions, 146 deletions

diff --git a/demos/rend_compute.slang b/demos/rend_compute.slang
deleted file mode 100644
index 5fb124b..0000000
--- a/demos/rend_compute.slang
+++ /dev/null
@@ -1,146 +0,0 @@
-struct Particle {
-    float2 position;
-    float2 velocity;
-};
-
-struct PushConstants {
-    Particle* particles;
-    uint* srcGrid;
-    uint* dstGrid;
-    uint particleCount;
-    uint width;
-    uint height;
-    float deltaTime;
-    uint renderMode; // 0 = particles, 1 = sand 
-};
-
-struct VSOutput {
-    float4 position : SV_Position;
-    float4 color    : COLOR0;
-};
-
-[[vk::push_constant]]
-PushConstants pc;
-
-uint getIndex(uint x, uint y) {
-    return y * pc.width + x;
-}
-
-bool isEmpty(uint x, uint y) {
-    if (x >= pc.width || y >= pc.height) return false;
-    return pc.srcGrid[getIndex(x, y)] == 0;
-}
-
-[shader("compute")]
-[numthreads(256, 1, 1)]
-void particleMain(uint3 threadId : SV_DispatchThreadID) {
-    uint index = threadId.x;
-    if (index >= pc.particleCount) return;
-
-    Particle p = pc.particles[index];
-
-    p.position += p.velocity * pc.deltaTime;
-    p.velocity *= exp(-0.005 * pc.deltaTime);
-
-    pc.particles[index] = p;
-}
-
-[shader("compute")]
-[numthreads(16, 16, 1)]
-void sandMain(uint3 threadId : SV_DispatchThreadID) {
-    uint x = threadId.x;
-    uint y = threadId.y;
-
-    if (x >= pc.width || y >= pc.height) return;
-
-    uint currentIdx = getIndex(x, y);
-    uint cellState = pc.srcGrid[currentIdx];
-
-    if (cellState == 1) { // Sand
-        if (y + 1 < pc.height && isEmpty(x, y + 1)) {
-            pc.dstGrid[getIndex(x, y + 1)] = 1;
-            pc.dstGrid[currentIdx] = 0;
-            return;
-        }
-
-        bool fallLeftFirst = ((x + y) % 2) == 0;
-        int dir1 = fallLeftFirst ? -1 : 1;
-        int dir2 = fallLeftFirst ? 1 : -1;
-
-        if (y + 1 < pc.height && isEmpty(x + dir1, y + 1)) {
-            pc.dstGrid[getIndex(x + dir1, y + 1)] = 1;
-            pc.dstGrid[currentIdx] = 0;
-            return;
-        } 
-        else if (y + 1 < pc.height && isEmpty(x + dir2, y + 1)) {
-            pc.dstGrid[getIndex(x + dir2, y + 1)] = 1;
-            pc.dstGrid[currentIdx] = 0;
-            return;
-        }
-
-        pc.dstGrid[currentIdx] = 1;
-    }
-}
-
-static const float2 QUAD_OFFSETS[6] = {
-    float2(-0.5, -0.5), float2( 0.5, -0.5), float2(-0.5,  0.5),
-    float2(-0.5,  0.5), float2( 0.5, -0.5), float2( 0.5,  0.5)
-};
-
-float3 cosinePalette(float t, float3 a, float3 b, float3 c, float3 d) {
-    return a + b * cos(6.28318 * (c * t + d));
-}
-
-[shader("vertex")]
-VSOutput vertMain(uint vertexID : SV_VertexID) {
-    VSOutput output;
-
-    uint elementIdx = vertexID / 6;
-    uint cornerIdx  = vertexID % 6;
-
-    float2 worldPos = float2(0.0, 0.0);
-    float3 color = float3(0.0, 0.0, 0.0);
-
-    if (pc.renderMode == 0) {
-        Particle p = pc.particles[elementIdx];
-        worldPos = p.position;
-
-        float speed = length(p.velocity);
-        color = cosinePalette(
-            speed * 0.8,
-            float3(0.5, 0.5, 0.5),
-            float3(0.5, 0.5, 0.5),
-            float3(1.0, 1.0, 1.0),
-            float3(0.0, 0.33, 0.67)
-        );
-    } 
-
-    else {
-        uint x = elementIdx % pc.width;
-        uint y = elementIdx / pc.width;
-
-        uint cellState = pc.srcGrid[elementIdx];
-
-        if (cellState == 0) {
-            output.position = float4(0, 0, 0, 0);
-            output.color = float4(0, 0, 0, 0);
-            return output;
-        }
-
-        worldPos.x = ((float)x / (float)pc.width) * 2.0 - 1.0;
-        worldPos.y = ((float)y / (float)pc.height) * 2.0 - 1.0;
-
-        color = float3(0.94, 0.82, 0.53);
-    }
-
-    float2 quadOffset = QUAD_OFFSETS[cornerIdx] * 0.01;
-    output.position = float4(worldPos + quadOffset, 0.0, 1.0);
-    output.color = float4(color, 1.0);
-
-    return output;
-}
-
-[shader("fragment")]
-float4 fragMain(VSOutput input) : SV_Target {
-    return input.color;
-}