MonoBehaviour.OnMouseOver Manual     Reference     Scripting  
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MonoBehaviour.OnMouseOver

function OnMouseOver () : void

Description

OnMouseOver is called every frame while the mouse is over the GUIElement or Collider.

// Fades the red component of the material to zero
// while the mouse is over the mesh
function OnMouseOver () {
renderer.material.color.r -= 0.1 * Time.deltaTime;
}

This function is not called on objects that belong to Ignore Raycast layer.

OnMouseOver can be a co-routine, simply use the yield statement in the function. This event is sent to all scripts attached to the Collider or GUIElement.