rg3d 0.21.0

3D Game engine
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#version 330 core

uniform sampler2D diffuseTexture;
uniform sampler2D aoSampler;
uniform sampler2D ambientTexture;
uniform vec4 ambientColor;

out vec4 FragColor;
in vec2 texCoord;

void main()
{
    float ambientOcclusion = texture(aoSampler, texCoord).r;
    FragColor = (ambientColor + texture(ambientTexture, texCoord)) * texture(diffuseTexture, texCoord);
    FragColor.rgb *= ambientOcclusion;
}