voxel biomes and CPU pushed blocks

resources/EngineResources/shaders/water_vert.glsl

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+#version 450
+
+layout (location = 0) in vec3 aPos;
+layout (location = 1) in vec2 aTexCoords;
+
+out vec3 FragPos;
+out vec2 TexCoords;
+out vec3 Normal;
+
+uniform mat4 model;
+uniform mat4 view;
+uniform mat4 projection;
+uniform float uTime;
+
+// Wave configuration constants
+const float AMPLITUDE = 0.15;
+const float FREQUENCY = 1.5;
+const float SPEED = 2.0;
+
+// Simple wave function that modifies elevation based on position and time
+float calculateWave(vec3 pos, float time, vec2 direction) {
+    return AMPLITUDE * sin(dot(pos.xz, direction) * FREQUENCY + time * SPEED);
+}
+
+// Derivative of the wave function to calculate accurate dynamic surface normals
+vec3 calculateWaveNormal(vec3 pos, float time) {
+    float dx = AMPLITUDE * FREQUENCY * cos(pos.x * FREQUENCY + time * SPEED);
+    float dz = AMPLITUDE * FREQUENCY * cos(pos.z * FREQUENCY + time * SPEED);
+    return normalize(vec3(-dx, 1.0, -dz));
+}
+
+void main() {
+    vec3 displacedPos = aPos;
+
+    // Combine two wave directions for a less predictable, more organic look
+    displacedPos.y += calculateWave(aPos, uTime, vec2(1.0, 0.0));
+    displacedPos.y += calculateWave(aPos, uTime * 1.2, vec2(0.5, 0.8));
+
+    FragPos = vec3(model * vec4(displacedPos, 1.0));
+    TexCoords = aTexCoords;
+
+    // Pass transformed normals and position to the fragment shader
+    Normal = mat3(transpose(inverse(model))) * calculateWaveNormal(displacedPos, uTime);
+
+    gl_Position = projection * view * model * vec4(displacedPos, 1.0);
+}