46 lines
1.4 KiB
GLSL
46 lines
1.4 KiB
GLSL
#line 2
|
|
|
|
/*
|
|
* Copyright (c) 2023 LAX1DUDE. All Rights Reserved.
|
|
*
|
|
* WITH THE EXCEPTION OF PATCH FILES, MINIFIED JAVASCRIPT, AND ALL FILES
|
|
* NORMALLY FOUND IN AN UNMODIFIED MINECRAFT RESOURCE PACK, YOU ARE NOT ALLOWED
|
|
* TO SHARE, DISTRIBUTE, OR REPURPOSE ANY FILE USED BY OR PRODUCED BY THE
|
|
* SOFTWARE IN THIS REPOSITORY WITHOUT PRIOR PERMISSION FROM THE PROJECT AUTHOR.
|
|
*
|
|
* NOT FOR COMMERCIAL OR MALICIOUS USE
|
|
*
|
|
* (please read the 'LICENSE' file this repo's root directory for more info)
|
|
*
|
|
*/
|
|
|
|
precision lowp int;
|
|
precision highp float;
|
|
precision highp sampler2D;
|
|
|
|
in vec3 v_position3f;
|
|
|
|
layout(location = 0) out vec4 output4f;
|
|
|
|
#define SKY_BRIGHTNESS 0.015
|
|
|
|
uniform sampler2D u_skyTexture;
|
|
|
|
uniform vec2 u_skyTextureScale2f;
|
|
|
|
void main() {
|
|
gl_FragDepth = 0.0;
|
|
vec3 viewDir = normalize(v_position3f);
|
|
|
|
vec3 blending = abs(viewDir * viewDir * viewDir);
|
|
blending = normalize(max(blending, 0.00001));
|
|
float b = (blending.x + blending.y + blending.z);
|
|
blending /= b;
|
|
|
|
vec3 blendedSkyColor = texture(u_skyTexture, v_position3f.zy * u_skyTextureScale2f).rgb * blending.x;
|
|
blendedSkyColor += texture(u_skyTexture, v_position3f.xz * u_skyTextureScale2f).rgb * blending.y;
|
|
blendedSkyColor += texture(u_skyTexture, v_position3f.xy * u_skyTextureScale2f).rgb * blending.z;
|
|
|
|
output4f = vec4(blendedSkyColor * blendedSkyColor * blendedSkyColor * SKY_BRIGHTNESS, 0.0);
|
|
}
|