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#ifdef GL_ES
precision mediump float;
#endif;
attribute vec4 position;
attribute vec4 texcoord;
attribute vec4 normal;
uniform mat4 ModelMatrix;
uniform mat4 ViewMatrix;
uniform mat4 ProjectionMatrix;
uniform mat4 IT_ModelMatrix;
varying vec4 V_Normal;
varying vec4 V_WorldPos;
void main(){
V_Normal = normal * IT_ModelMatrix;
V_WorldPos = ModelMatrix * position;
gl_Position = ProjectionMatrix * ViewMatrix * ModelMatrix * position;
}