eaglercraft-1.8/sources/resources/assets/eagler/glsl/accel_particle.vsh

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2022-12-25 01:12:28 -08:00
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/*
* Copyright (c) 2022 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 lowp sampler2D;
in vec2 a_position2f;
in vec3 p_position3f;
in vec2 p_texCoords2i;
in vec2 p_lightMap2f;
in vec2 p_particleSize_texCoordsSize_2i;
in vec4 p_color4f;
out vec2 v_texCoord2f;
out vec4 v_color4f;
uniform mat4 u_matrixTransform;
uniform vec3 u_texCoordSize2f_particleSize1f;
uniform vec4 u_transformParam_1_2_3_4_f;
uniform float u_transformParam_5_f;
uniform vec4 u_color4f;
uniform sampler2D u_lightmapTexture;
void main() {
v_color4f = u_color4f * p_color4f.bgra * texture(u_lightmapTexture, p_lightMap2f);
vec2 tex2f = a_position2f * 0.5 + 0.5;
tex2f.y = 1.0 - tex2f.y;
tex2f = p_texCoords2i + tex2f * p_particleSize_texCoordsSize_2i.y;
v_texCoord2f = tex2f * u_texCoordSize2f_particleSize1f.xy;
float particleSize = u_texCoordSize2f_particleSize1f.z * p_particleSize_texCoordsSize_2i.x;
float f1 = u_transformParam_1_2_3_4_f.x;
float f2 = u_transformParam_1_2_3_4_f.y;
float f3 = u_transformParam_1_2_3_4_f.z;
float f4 = u_transformParam_1_2_3_4_f.w;
float f5 = u_transformParam_5_f;
vec3 pos3f = p_position3f;
pos3f.x += f1 * particleSize * a_position2f.x;
pos3f.x += f4 * particleSize * a_position2f.y;
pos3f.y += f2 * particleSize * a_position2f.y;
pos3f.z += f3 * particleSize * a_position2f.x;
pos3f.z += f5 * particleSize * a_position2f.y;
gl_Position = u_matrixTransform * vec4(pos3f, 1.0);
}