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core: added GetMouseDelta() (#1832)

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* core: added `GetMouseDelta()`

Thanks to previousPosition added by raysan it is now possible to create the GetMouseDelta() function.

Returns a Vector2 with the difference between the current and previous position of the mouse in a frame.

Useful for creating camera scrolling, among others.

* Added changes noted by raysan
This commit is contained in:
Adrian Guerrero Vera 2021-06-21 00:11:27 +02:00 • committed by GitHub
parent 28093c46a8
commit 96d5dd24aa
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src/raylib.h
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@ -1113,6 +1113,7 @@ RLAPI bool IsMouseButtonUp(int button); // Check if a mous
RLAPI int GetMouseX(void); // Get mouse position X
RLAPI int GetMouseY(void); // Get mouse position Y
RLAPI Vector2 GetMousePosition(void); // Get mouse position XY
RLAPI Vector2 GetMouseDelta(void); // Get mouse delta between frames
RLAPI void SetMousePosition(int x, int y); // Set mouse position XY
RLAPI void SetMouseOffset(int offsetX, int offsetY); // Set mouse offset
RLAPI void SetMouseScale(float scaleX, float scaleY); // Set mouse scaling