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#version 330 core
in vec3 tex_coord;
uniform samplerCube cubeMap;
uniform vec3 skyColor;
out vec4 fragColor;
const float lowerLimit = -50.f;
const float upperLimit = 100.f;
void main() {
//fragColor = vec4(1.f);
vec4 finalColor = texture(cubeMap, tex_coord);
// blending bottom of skybox to skyColor
float factor = (tex_coord.y - lowerLimit) / (upperLimit - lowerLimit);
factor = clamp(factor, 0.f, 1.f);
fragColor = mix(vec4(skyColor, 1.f), finalColor, factor);
}
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