Initial commit

Code from an old svn, still working
Ezka77 · Feb 8, 2017 · d4acfac · d4acfac
commit d4acfac
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diff --git a/shaders/shader.frag b/shaders/shader.frag
@@ -0,0 +1,23 @@
+//varying vec3 normal, lightDir;
+uniform sampler2D tex;
+
+void main()
+{
+	vec4 color;
+	vec4 texel;
+	float alpha,r,g,b ;
+
+	texel = texture2D(tex,gl_TexCoord[0].st);
+	alpha = texel.a;
+
+	r = ((-(alpha-1.0)*(alpha-1.0)/0.1)+1.0);
+	g = (5.0*(-((alpha-0.5)*(alpha-0.5))/0.4)+1.0);
+	b = ((-(alpha * alpha)/0.15)+1.0);
+
+	if (r<0) r=0 ;
+	if (g<0) g=0 ;
+	if (b<0) b=0 ;
+
+	color = vec4(r,g,b,alpha);
+	gl_FragColor = color;
+}
diff --git a/shaders/shader.vert b/shaders/shader.vert
@@ -0,0 +1,6 @@
+
+void main()
+{	
+	gl_TexCoord[0] = gl_MultiTexCoord0;
+	gl_Position = ftransform();
+}
diff --git a/shaders/shader3D.frag b/shaders/shader3D.frag
@@ -0,0 +1,22 @@
+uniform sampler3D tex;
+
+void main()
+{
+	vec4 color;
+	vec4 texel;
+	float alpha,r,g,b ;
+
+	texel = texture3D(tex,gl_TexCoord[0].xyz);
+	alpha = texel.a;
+
+	r = ((-(alpha-1.0)*(alpha-1.0)/0.1)+1.0);
+	g = (5.0*(-((alpha-0.5)*(alpha-0.5))/0.4)+1.0);
+	b = ((-(alpha * alpha)/0.15)+1.0);
+
+	if (r<0) r=0 ;
+	if (g<0) g=0 ;
+	if (b<0) b=0 ;
+
+	color = vec4(r,g,b,alpha);
+	gl_FragColor = color;
+}