GRK/cw 6/shaders/shader_tex.frag

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2022-01-12 16:07:16 +01:00
#version 410 core
uniform sampler2D textureSampler;
uniform vec3 lightDir;
in vec3 interpNormal;
in vec2 interpTexCoord;
void main()
{
vec2 modifiedTexCoord = vec2(interpTexCoord.x, 1.0 - interpTexCoord.y); // Poprawka dla tekstur Ziemi, ktore bez tego wyswietlaja sie 'do gory nogami'
vec3 color = texture2D(textureSampler, modifiedTexCoord).rgb;
vec3 normal = normalize(interpNormal);
float diffuse = max(dot(normal, -lightDir), 0.0);
gl_FragColor = vec4(color * diffuse, 1.0);
}