Oolite Bulletins

Code: Select all

"griff_spacebar_Arexack_Heretic_Neonsign" = {
	    materials = { 
			"A_H_neonsign_no_shader.png" = { 
				diffuse_map = "a_h_neonsign_no_shader2.png"; 
				specular_color = (0.1, 0.1, 0.1);  // Applies when specular map is not used (no shaders) 
				shininess = 0; 
				emission_map = "a_h_neonsign_no_shader2.png";
			}; 
		};		
		shaders = {
            "A_H_neonsign_no_shader.png" = {
                fragment_shader = "griff_spacebar_arexack_heretic_neon_sign.fragment";
                vertex_shader = "griff_spacebar_arexack_heretic_neon_sign.vertex";
                textures = ("a_h_neonsign_with_shader.png");	<-------------------- Changed line
                uniforms = {
                    uAnimationFramesMap = { type = texture; value = 0; };
                    uTime = "timeElapsedSinceSpawn";
                };
            };
        };
};

Code: Select all

// Information from Oolite.
uniform sampler2D      uAnimationFramesMap;
varying vec2         vTexCoord;

void main()
{
    vec4 color = texture2D(uAnimationFramesMap, vTexCoord);
	color.rgb = pow(color.rgb, vec3(2.2));	// we must bring all texture colors to linear colorspace for shader manipulation
	color.rgb *= 10.0;						// neon-up baby!
											// normally we would want to add the line below in order to re-apply gamma
											// correction after doing maths with our colors:
	// color.rgb = pow(color.rgb, vec3(1.0 / 2.2));
											// but there is no need to apply the 1.0/2.2 correction here - this is done at the
											// end of rendering by the game engine
											// actually, it would be wrong to apply it here because we would be ending up
											// double-correcting for gamma
	
	if (color.a < 0.5)  discard;
	
	gl_FragColor = color;
}