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input_common: Avoid potential division by zero

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This commit is contained in:
Narr the Reg 2023-07-05 17:42:16 -06:00
parent d8eb37fbec
commit 4c84bce171
1 changed files with 3 additions and 2 deletions
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5
src/input_common/drivers/mouse.cpp
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@ -160,8 +160,9 @@ void Mouse::Move(int x, int y, int center_x, int center_y) {
last_mouse_change.y += mouse_change.y * y_sensitivity; last_mouse_change.y += mouse_change.y * y_sensitivity;
// Bind the mouse change to [0 <= deadzone_counterweight <= 1.0] // Bind the mouse change to [0 <= deadzone_counterweight <= 1.0]
if (last_mouse_change.Length() < deadzone_counterweight) { const float length = last_mouse_change.Length();
last_mouse_change /= last_mouse_change.Length(); if (length < deadzone_counterweight && length != 0.0f) {
last_mouse_change /= length;
last_mouse_change *= deadzone_counterweight; last_mouse_change *= deadzone_counterweight;
} }