#ifdef GL_ES
precision mediump float;
precision mediump int;
#endif
// Input:
attribute vec3 EW_coord3d;
attribute vec3 EW_normal;
uniform mat4 EW_MatrixTransformation;
uniform mat4 EW_MatrixPosition;

// output:
varying vec3 v_ecNormal;

void main(void) {
	gl_Position = EW_MatrixTransformation * EW_MatrixPosition * vec4(EW_coord3d, 1.0);
	mat4 MatrixPosition = EW_MatrixPosition;
	/*
	MatrixPosition[3][0] = 0.0;
	MatrixPosition[3][1] = 0.0;
	MatrixPosition[3][2] = 0.0;
	*/
	v_ecNormal = vec3(MatrixPosition * vec4(EW_normal, 1.0) );
}