Added day&night cycle. Also fixed world loading

data/resources/shaders/water.vs

@@ -0,0 +1,34 @@
+#version 330
+
+// Input vertex attributes
+in vec3 vertexPosition;
+in vec2 vertexTexCoord;
+in vec3 vertexNormal;
+in vec4 vertexColor;
+
+// Input uniform values
+uniform mat4 mvp;
+uniform mat4 matModel;
+uniform mat4 matNormal;
+uniform float time;
+
+// Output vertex attributes (to fragment shader)
+out vec3 fragPosition;
+out vec2 fragTexCoord;
+out vec4 fragColor;
+out vec3 fragNormal;
+
+// NOTE: Add your custom variables here
+
+void main()
+{
+    // Send vertex attributes to fragment shader
+    fragPosition = vec3(matModel*vec4(vertexPosition, 1.0));
+    fragTexCoord = vertexTexCoord;
+    fragColor = vertexColor;
+    fragNormal = normalize(vec3(matNormal*vec4(vertexNormal, 1.0)));
+
+    // Calculate final vertex position
+    vec3 pos = vertexPosition + vec3(0, sin(time * 2.0 + vertexPosition.x * 1.5) / 20.0 + cos(time * 2.0 + vertexPosition.z * 1.5) / 20.0-0.1, 0);
+    gl_Position = mvp*vec4(pos, 1.0);
+}