Orx Learning

====== Keep an Object facing the Mouse Position ======
Good for weapons that fire in the direction of the mouse

===== Resource =====

{{ examples:objects:arrow.png |}}

===== Config =====

<code=ini>
[Arrow]
Graphic         = @
Texture         = arrow.png
Pivot           = center
Position        = (0, 0, 0)
</code>

===== Code =====

<code=c>
orxVECTOR arrowPosition = orxVECTOR_0;
orxObject_GetPosition(arrow, &arrowPosition);
	
orxVECTOR mousePosition = orxVECTOR_0;
orxMouse_GetPosition(&mousePosition);
orxRender_GetWorldPosition(&mousePosition, orxNULL, &mousePosition);
	
orxVECTOR direction = orxVECTOR_0;
orxVector_Add(&direction, &arrowPosition, &mousePosition);

orxFLOAT angle = orxMath_ATan(direction.fY, direction.fX);
	
orxObject_SetRotation(arrow, angle);
</code>


===== See also =====
[[en:examples:maths:convert_vector_to_radian_angle|Convert a Vector to an Angle (radians)]]
Orx Learning

User Tools

Site Tools

Page Tools
