k3d/share/shaders/k3d_flame.sl:10: *    flameheight, flameamplitude - scaling factors
k3d/share/shaders/k3d_flame.sl:39:		  float flameamplitude = 2.0; float phase = 0.0)
k3d/share/shaders/k3d_flame.sl:57:  cmap = 0.85 * chaos + flameoffset + (flameamplitude * ycomp(PP));
