Best to do the init’ing at declaration time:
double rob_size = 1.0; double rob_tilt = 0.0; double rob_leftcolor [3] = {1.0, 0.0, 0.0}; double rob_rightcolor [3] = {0.0, 1.0, 0.0};
Only the arrays need to be done that way, but it’s best to do them all the same way.
Your alternative is
rob_leftcolor[0] = 1.0; rob_leftcolor[1] = 0.0; rob_leftcolor[2] = 0.0;
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