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#ifdef GL_ES

precision mediump float;

#endif

uniform sampler2D uDiffuse;

uniform float uLayer;

varying vec4 vColor;

varying vec2 vTexCoord;

void main()

{

	vec4 result = texture2D(uDiffuse, vTexCoord.xy);

	float startIntensity = 0.4;

	result.rgb *= startIntensity + clamp(uLayer * 2.0, 0.0, 1.0) * (1.0 - startIntensity);

	result.a *= (1.0-uLayer);

	gl_FragColor = result;

}