Collision & Engine refactor

resources/EngineResources/shaders/TerrainFragment.glsl

@@ -0,0 +1,29 @@
+#version 450
+
+layout(location = 0) in vec3 fragPosition;
+layout(location = 1) in vec4 fragWeights;
+layout(location = 2) in vec2 fragUV;
+
+layout(binding = 1) uniform sampler2DArray terrainTexArray;
+
+layout(location = 0) out vec4 outColor;
+
+void main() {
+    vec4 colorGrass = texture(terrainTexArray, vec3(fragUV, 0.0)); // Index 0
+    vec4 colorRock  = texture(terrainTexArray, vec3(fragUV, 1.0)); // Index 1
+    vec4 colorSand  = texture(terrainTexArray, vec3(fragUV, 2.0)); // Index 2
+    vec4 colorMud   = texture(terrainTexArray, vec3(fragUV, 3.0)); // Index 3
+
+    vec4 dynamicTerrainColor =
+    (colorGrass * fragWeights.r) +
+    (colorRock  * fragWeights.g) +
+    (colorSand  * fragWeights.b) +
+    (colorMud   * fragWeights.a);
+
+    float totalWeight = fragWeights.r + fragWeights.g + fragWeights.b + fragWeights.a;
+    if (totalWeight > 0.0) {
+        dynamicTerrainColor /= totalWeight;
+    }
+
+    outColor = dynamicTerrainColor;
+}