#version 150 core

uniform sampler2D diffuseTex ;
uniform int useTexture ;

 in Vertex {
 vec2 texCoord ;
 vec4 colour ;
} IN ;

 out vec4 fragColour ;

 void main ( void ) {
 fragColour = IN.colour ;
 if( useTexture > 0) {
 fragColour *= texture ( diffuseTex , IN.texCoord );
 }
}