particle_render_fs.c

static const char* particle_render_fs = "#version 330 core\n"
"\n"
"in float drawOrDieFrag;\n"
"in vec2 TexCoordFrag;\n"
"\n"
"out vec4 FragColor;\n"
"uniform sampler2D sprite;\n"
"\n"
"void main()\n"
"{\n"
"  if (drawOrDieFrag < 0.0)\n"
"  {\n"
"    discard;\n"
"  }\n"
"  else\n"
"  {\n"
"    FragColor = texture(sprite, TexCoordFrag);\n"
"    if (FragColor.a < 0.1)\n"
"    {\n"
"      discard;\n"
"    }\n"
"    //FragColor = vec4(0.0, 1.0, 0.0, 1.0); // White\n"
"  }\n"
"}\n"
;