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feat(renderer): add fog effect based on render distance

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zhenyan121
2026-06-20 15:49:00 +08:00
parent 5385876a8a
commit be17846c16
2 changed files with 16 additions and 1 deletions
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15
assets/shaders/block_f_shader.glsl
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@@ -25,6 +25,10 @@ uniform float minRadius;
uniform float maxRadius;
uniform bool enablePBR;
uniform bool flipY;
uniform int renderDistance;
uniform vec3 skyColor;
const vec2 poissonDisk32[32] = vec2[](
vec2(-0.975402, -0.071138),
vec2(-0.920347, -0.411420),
@@ -341,8 +345,17 @@ void main(void) {
vec3 specular = spec * sunlightColor * specularStrength;
float shadow = ShadowCalculation(FragPosLightSpace, norm, lightDir);
// fog
float dist = length(cameraPos - vert_pos);
vec4 fogColor = vec4(skyColor, 1.0);
float fogStart = renderDistance * 16 * 0.9;
float fogEnd = renderDistance * 16;
float fogFactor = smoothstep(fogEnd, fogStart, dist);
color = vec4((ambient + (1.0 - shadow) * (diffuse)) * objectColor.rgb + (1.0-shadow) * specular * objectColor.rgb, objectColor.a);
color = mix(fogColor, color, fogFactor);
//color = vec4(normal * 0.5 + 0.5, 1.0);
//color = vec4(tangent * 0.5 + 0.5, 1.0);;
//color = vec4(norm * 0.5 + 0.5, 1.0);