realityplayground-of/zoneb/bin/data/shaders/particles/draw.vert

uniform mat4 modelViewProjectionMatrix;
uniform mat4 modelViewMatrix;
uniform sampler2DRect particles0;
uniform sampler2DRect particles1;
uniform sampler2DRect particles2;
uniform sampler2DRect particles3;

in vec4  position;
in vec2  texcoord;

out vec2 vTexCoord;
out vec3 vPos;
out vec4 vTarget;
out float vTemperature;
out float vAge;
out vec4 vPosition;

void main()
{
    // vTexCoord = vec2(gl_InstanceID % 512, gl_InstanceID / 512);
    vTexCoord = texcoord;
    vec4 misc = texture(particles2, vTexCoord);
    vec4 vTarget = texture(particles3, vTexCoord);
    vTemperature = misc.x;
    vAge = misc.y;
    vPos = texture(particles0, vTexCoord).xyz;
    vPosition = modelViewMatrix * vec4(vPos, 1.0);
}