#version 100

precision mediump float;

varying vec2 vTexCoord;

uniform sampler2D uTex;
uniform vec4 uForeGround;
uniform vec4 uBackGround;

void main(void) {
	vec4 Color = texture2D(uTex, vTexCoord);
	if (Color.a < 0.5) {
		discard;
	}
	gl_FragColor = mix(uBackGround, uForeGround, Color.r);
}