size 320 240
vertex_shader color2
fragment_shader gouraud2
uniform 2 0 0 -1 0 2 0 -1 0 0 -1 0 0 0 0 1 
vertex_data nnnfff
v 1 0 0 0.0 0.15 2.5
v 0 1 0 0.75 0.15 -0.5
v 0 0 1 0.75 0.85 -3.5
render triangle
