#include #include #include #include void display(){GLfloat vertices[3][3] = {{0.0,0.0,0.0}, {25.0, 50.0,0.0}, {50.0,0.0,0.0}};// an arbitrary triangle in the plane z = 0;GLfloat p[3] = {7.5, 5.0, 0.0};// or set to any desired initial point inside the triangle;intj,k;int... |