static void PrepareResultGameObject(SpriteCutterGameObject resultGameObject, RendererParametersRepresentation tempParameters,
SideCutData cutData)
{
resultGameObject.AssignMeshFilter(cutData.cuttedMesh);
resultGameObject.AssignMeshRendererFrom(tempParameters);
if (cutData.cuttedCollidersRepresentations != null)
{
resultGameObject.BuildCollidersFrom(cutData.cuttedCollidersRepresentations);
}
}
static void PrepareResultGameObject(SpriteCutterGameObject resultGameObject, SpriteRenderer spriteRenderer,
MeshRenderer meshRenderer, SideCutData cutData)
{
resultGameObject.AssignMeshFilter(cutData.cuttedMesh);
if (spriteRenderer != null)
{
resultGameObject.AssignMeshRendererFrom(spriteRenderer);
}
else
{
resultGameObject.AssignMeshRendererFrom(meshRenderer);
}
if (cutData.cuttedCollidersRepresentations != null)
{
resultGameObject.BuildCollidersFrom(cutData.cuttedCollidersRepresentations);
}
}
/// <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 );
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,
};
}
static void PrepareResultGameObject( SpriteCutterGameObject resultGameObject, RendererParametersRepresentation tempParameters,
SideCutData cutData )
{
resultGameObject.AssignMeshFilter( cutData.cuttedMesh );
resultGameObject.AssignMeshRendererFrom( tempParameters );
if ( cutData.cuttedCollidersRepresentations != null ) {
resultGameObject.BuildCollidersFrom( cutData.cuttedCollidersRepresentations );
}
}
static void PrepareResultGameObject( SpriteCutterGameObject resultGameObject, SpriteRenderer spriteRenderer,
MeshRenderer meshRenderer, SideCutData cutData )
{
resultGameObject.AssignMeshFilter( cutData.cuttedMesh );
if ( spriteRenderer != null ) {
resultGameObject.AssignMeshRendererFrom( spriteRenderer );
} else {
resultGameObject.AssignMeshRendererFrom( meshRenderer );
}
if ( cutData.cuttedCollidersRepresentations != null ) {
resultGameObject.BuildCollidersFrom( cutData.cuttedCollidersRepresentations );
}
}
/// <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,
});
}
