diff options
Diffstat (limited to 'assets/shaders/Julia.frag.glsl')
-rw-r--r-- | assets/shaders/Julia.frag.glsl | 26 |
1 files changed, 0 insertions, 26 deletions
diff --git a/assets/shaders/Julia.frag.glsl b/assets/shaders/Julia.frag.glsl deleted file mode 100644 index 7e616c40..00000000 --- a/assets/shaders/Julia.frag.glsl +++ /dev/null | |||
@@ -1,26 +0,0 @@ | |||
1 | #ifdef GL_ES | ||
2 | precision highp float; | ||
3 | #endif | ||
4 | |||
5 | uniform vec2 u_resolution; | ||
6 | uniform float u_time; | ||
7 | uniform float u_speed; | ||
8 | |||
9 | void main(void) | ||
10 | { | ||
11 | vec2 p = -1.0 + 2.0 * gl_FragCoord.xy / u_resolution.xy; | ||
12 | vec2 cc = vec2( cos(.25*u_time*u_speed), sin(.25*u_time*u_speed*1.423) ); | ||
13 | |||
14 | float dmin = 1000.0; | ||
15 | vec2 z = p*vec2(1.33,1.0); | ||
16 | for( int i=0; i<64; i++ ) | ||
17 | { | ||
18 | z = cc + vec2( z.x*z.x - z.y*z.y, 2.0*z.x*z.y ); | ||
19 | float m2 = dot(z,z); | ||
20 | if( m2>100.0 ) break; | ||
21 | dmin=min(dmin,m2); | ||
22 | } | ||
23 | |||
24 | float color = sqrt(sqrt(dmin))*0.7; | ||
25 | gl_FragColor = vec4(color,color,color,1.0); | ||
26 | } \ No newline at end of file | ||