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fix shader

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griffi-gh 2024-05-02 01:24:27 +02:00
parent 62c3c2105e
commit 6cde878a50
1 changed files with 5 additions and 9 deletions
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14
kubi/shaders/world.frag
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@ -10,21 +10,17 @@ out vec4 color;
uniform sampler2DArray tex;
uniform bool discard_alpha;
// vec4 alpha_drop(vec4 b, vec4 a) {
// if ((a.w < 1.) || (b.w < 1.)) {
// return vec4(b.xyz, 0.);
// }
// return a;
// }
void main() {
// base color from texture
color = texture(tex, vec3(v_uv, v_tex_index));
// discard transparent pixels
if (color.w < (discard_alpha ? 0.01 : 0.5)) discard;
// discard fully transparent pixels
if (discard_alpha ? (color.w < 0.5) : (color.w == 0.)) discard;
//basic "lighting"
float light = abs(v_normal.x) + .8 * abs(v_normal.y) + .6 * abs(v_normal.z);
color *= vec4(vec3(light), 1.);
//discard alpha
if (discard_alpha) color.w = 1.;
}