diff options
Diffstat (limited to 'data/shaders/swirlytron.frag')
| -rw-r--r-- | data/shaders/swirlytron.frag | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/data/shaders/swirlytron.frag b/data/shaders/swirlytron.frag index 31a0912..d2d6ca7 100644 --- a/data/shaders/swirlytron.frag +++ b/data/shaders/swirlytron.frag @@ -10,8 +10,9 @@ */ varying vec2 coords; - +varying vec2 incoords; uniform float time; +uniform bool landed; void main() { @@ -20,12 +21,18 @@ void main() { float r; r = pow(abs(coords.x), 2.0) + pow(abs(coords.y), 2.0); - - f = 1.0 ;//+ (0.5*cos(time/1000.0)); - + f = 1.0; colour.r = 0.0; colour.g = 0.0; - colour.b = 1.0 * cos(2*f*3.141*r - (time/250.0) ); + colour.b = 1.0 * cos(2*f*3.141*r - (time/250.0) ); + + if ( landed ) { + r = pow(abs(incoords.x), 2.0) + pow(abs(incoords.y), 2.0); + f = 1.0; + colour.r += 1.0 * cos(2*f*3.141*r + (time/250.0) ); + colour.g += 1.0 * cos(2*f*3.141*r + (time/250.0) ); + colour.b += 0.0; + } gl_FragColor = vec4(colour.r, colour.g, colour.b, 1.0); |