Water: distortions

water/water.vert

@@ -28,13 +28,17 @@ uniform mat4 projectionMatrix;
 uniform mat4 viewMatrix;
 uniform mat4 modelMatrix;
 )
+const float tiling = 0.012;
 MAIN_PARAMETERS
 IN(vec4 position, POSITION)
 OUT(vec4 clipSpace, TEXCOORD0)
+OUT(vec2 textureCoords, TEXCOORD1)
 MAIN_DECLARATION
 {
 	clipSpace = projectionMatrix * viewMatrix * modelMatrix * vec4(position.xyz, 1.0);
+	vec4 worldPos = modelMatrix * vec4(position.xyz, 1.0);
 	gl_Position = clipSpace;
+	textureCoords = vec2(worldPos.x / 2.0 + 0.5, worldPos.z / 2.0 + 0.5) * tiling;
 }
 
 #else