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Made the draw method of vec2d const so that compiler stops complaining

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Karma Riuk 2023-05-17 13:20:40 +02:00
parent 3c2335235e
commit 399949876f
1 changed files with 1 additions and 1 deletions
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vec2d.h
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@ -74,7 +74,7 @@ class vec2d {
return {-y, x}; return {-y, x};
} }
void draw(cairo_t* cr, vec2d p) { void draw(cairo_t* cr, vec2d p) const {
double arrow_lenght_ = 10 * vec2d::norm(*this); double arrow_lenght_ = 10 * vec2d::norm(*this);
double arrow_degrees_ = .5; double arrow_degrees_ = .5;