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ofVec2f instead of ofVec3f Question

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@cuinjune wrote:

Is it completely okay to pass ofVec2f instead of ofVec3f as a function argument if I want to use zero as a third (z) value? Or would there be any penalty in performance?

for example, is there any difference in run time between
ofDrawTriangle(ofVec2f(0,0), ofVec2f(100,0), ofVec2f(100,100)) and
ofDrawTriangle(ofVec3f(0,0,0), ofVec3f(100,0,0), ofVec3f(100,100,0))?

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