/// <summary>
/// Returns null, if cutting didn't took place.
/// </summary>
public static SpriteCutterOutput Cut(SpriteCutterInput input)
{
if (input.gameObject == null)
{
Debug.LogWarning("SpriteCutter.Cut exceuted with null gameObject!");
return(null);
}
/* Cutting mesh and collider */
Vector3 localLineStart = input.gameObject.transform.InverseTransformPoint(input.lineStart);
Vector3 localLineEnd = input.gameObject.transform.InverseTransformPoint(input.lineEnd);
SpriteRenderer spriteRenderer = input.gameObject.GetComponent <SpriteRenderer>();
MeshRenderer meshRenderer = input.gameObject.GetComponent <MeshRenderer>();
FlatConvexPolygonMeshCutter.CutResult meshCutResult =
CutSpriteOrMeshRenderer(localLineStart, localLineEnd, spriteRenderer, meshRenderer);
if (meshCutResult.DidNotCut())
{
return(null);
}
FlatConvexCollidersCutter.CutResult collidersCutResults;
if (input.dontCutColliders)
{
collidersCutResults = new FlatConvexCollidersCutter.CutResult();
}
else
{
collidersCutResults =
CutColliders(localLineStart, localLineEnd, input.gameObject.GetComponents <Collider2D>());
if (collidersCutResults.DidNotCut())
{
return(null);
}
}
SideCutData firstCutData = new SideCutData()
{
cuttedMesh = meshCutResult.firstSideMesh,
cuttedCollidersRepresentations = collidersCutResults.firstSideColliderRepresentations
};
SideCutData secondCutData = new SideCutData()
{
cuttedMesh = meshCutResult.secondSideMesh,
cuttedCollidersRepresentations = collidersCutResults.secondSideColliderRepresentations
};
/* Second side result - created as new GameObject or instantiated copy of the original GameObject. */
SpriteCutterGameObject secondSideResult = null;
switch (input.gameObjectCreationMode)
{
case GameObjectCreationMode.CUT_OFF_NEW:
case GameObjectCreationMode.CUT_INTO_TWO:
secondSideResult = SpriteCutterGameObject.CreateNew(input.gameObject, true);
PrepareResultGameObject(secondSideResult, spriteRenderer, meshRenderer, secondCutData);
break;
case GameObjectCreationMode.CUT_OFF_COPY:
secondSideResult = SpriteCutterGameObject.CreateAsInstantiatedCopyOf(input.gameObject, true);
GameObject.Destroy(secondSideResult.gameObject, .5f);
SpriteRenderer copiedSpriteRenderer = secondSideResult.gameObject.GetComponent <SpriteRenderer>();
MeshRenderer copiedMeshRenderer = secondSideResult.gameObject.GetComponent <MeshRenderer>();
if (copiedSpriteRenderer != null)
{
RendererParametersRepresentation tempParameters = new RendererParametersRepresentation();
tempParameters.CopyFrom(copiedSpriteRenderer);
SafeSpriteRendererRemoverBehaviour.get.RemoveAndWaitOneFrame(copiedSpriteRenderer, onFinish: () => {
PrepareResultGameObject(secondSideResult, tempParameters, secondCutData);
});
}
else
{
PrepareResultGameObject(secondSideResult, copiedSpriteRenderer, copiedMeshRenderer, secondCutData);
}
break;
}
/* First side result */
SpriteCutterGameObject firstSideResult = null;
switch (input.gameObjectCreationMode)
{
case GameObjectCreationMode.CUT_OFF_NEW:
case GameObjectCreationMode.CUT_OFF_COPY:
firstSideResult = SpriteCutterGameObject.CreateAs(input.gameObject);
if (spriteRenderer != null)
{
RendererParametersRepresentation tempParameters = new RendererParametersRepresentation();
tempParameters.CopyFrom(spriteRenderer);
SafeSpriteRendererRemoverBehaviour.get.RemoveAndWaitOneFrame(spriteRenderer, onFinish: () => {
PrepareResultGameObject(firstSideResult, tempParameters, firstCutData);
});
}
else
{
PrepareResultGameObject(firstSideResult, spriteRenderer, meshRenderer, firstCutData);
}
break;
case GameObjectCreationMode.CUT_INTO_TWO:
firstSideResult = SpriteCutterGameObject.CreateNew(input.gameObject, true);
PrepareResultGameObject(firstSideResult, spriteRenderer, meshRenderer, firstCutData);
break;
}
return(new SpriteCutterOutput()
{
firstSideGameObject = firstSideResult.gameObject,
secondSideGameObject = secondSideResult.gameObject,
});
}
/// <summary>
/// Returns null, if cutting didn't took place.
/// </summary>
public static SpriteCutterOutput Cut(SpriteCutterInput input)
{
if (input.gameObject == null)
{
Debug.LogWarning("SpriteCutter.Cut exceuted with null gameObject!");
return(null);
}
Vector3 localLineStart = input.gameObject.transform.InverseTransformPoint(input.lineStart);
Vector3 localLineEnd = input.gameObject.transform.InverseTransformPoint(input.lineEnd);
SpriteRenderer spriteRenderer = input.gameObject.GetComponent <SpriteRenderer>();
MeshRenderer meshRenderer = input.gameObject.GetComponent <MeshRenderer>();
FlatConvexPolygonMeshCutter.CutResult meshCutResult =
CutSpriteOrMeshRenderer(localLineStart, localLineEnd, spriteRenderer, meshRenderer);
if (meshCutResult.DidNotCut())
{
return(null);
}
FlatConvexCollidersCutter.CutResult collidersCutResults;
if (input.dontCutColliders)
{
collidersCutResults = new FlatConvexCollidersCutter.CutResult();
}
else
{
collidersCutResults =
CutColliders(localLineStart, localLineEnd, input.gameObject.GetComponents <Collider2D>());
if (collidersCutResults.DidNotCut())
{
return(null);
}
}
SpriteCutterGameObject secondSideResult = SpriteCutterGameObject.CreateAsCopyOf(input.gameObject, true);
PrepareResultGameObject(secondSideResult, spriteRenderer, meshRenderer,
meshCutResult.secondSideMesh, collidersCutResults.secondSideColliderRepresentations);
SpriteCutterGameObject firstSideResult = null;
//if ( input.gameObjectCreationMode == SpriteCutterInput.GameObjectCreationMode.CUT_INTO_TWO ) {
// firstSideResult = SpriteCutterGameObject.CreateAsCopyOf( input.gameObject, true );
// PrepareResultGameObject( firstSideResult, spriteRenderer, meshRenderer,
// meshCutResult.firstSideMesh, collidersCutResults.firstSideColliderRepresentations );
//} else
if (input.gameObjectCreationMode == SpriteCutterInput.GameObjectCreationMode.CUT_OFF_ONE)
{
firstSideResult = SpriteCutterGameObject.CreateAs(input.gameObject);
if (spriteRenderer != null)
{
RendererParametersRepresentation tempParameters = new RendererParametersRepresentation();
tempParameters.CopyFrom(spriteRenderer);
SafeSpriteRendererRemoverBehaviour.get.RemoveAndWaitOneFrame(spriteRenderer, onFinish: () => {
PrepareResultGameObject(firstSideResult, tempParameters,
meshCutResult.firstSideMesh, collidersCutResults.firstSideColliderRepresentations);
});
}
else
{
PrepareResultGameObject(firstSideResult, spriteRenderer, meshRenderer,
meshCutResult.firstSideMesh, collidersCutResults.firstSideColliderRepresentations);
}
}
return(new SpriteCutterOutput()
{
firstSideGameObject = firstSideResult.gameObject,
secondSideGameObject = secondSideResult.gameObject,
});
}