Displacement shader

The idea is to transform a 2D image as a texture mapped on a sphere and make it audio-reactive. I used openFrameworks with a vertex shader to achieve this. openFrameworks version 0.9.8 allowed to use gluQuadric functions, but it’s not available in version 0.10 and above anymore. uniform sampler2D colormap; uniform sampler2D bumpmap; varying vec2 TexCoord; uniform float maxHeight; uniform[…]