//public static bool AreColliding(RigidBody rigidBody1, RigidBody rigidBody2, out IntersectionEvent intersectionEvent)
//{
// IntersectionData intersectionData;
// if (rigidBody1.CollisionPolygon.IntersectingPolygon(rigidBody2.CollisionPolygon, out intersectionData) && intersectionData.ValidOverlap)
// {
// RigidBody sender, reciever;
// if (intersectionData.RecipientIsFunctionCaller)
// {
// sender = rigidBody2;
// reciever = rigidBody1;
// }
// else
// {
// sender = rigidBody1;
// reciever = rigidBody2;
// }
// intersectionEvent = new IntersectionEvent(sender, reciever, intersectionData);
// return true;
// }
// else
// {
// intersectionEvent = null;
// return false;
// }
//}
public static RigidBody[] ApplySplit(RigidBody originalBody, Polygon[] newSplits, ITextureUV parentUV, out StandardUVMap[] childrenUV)
{
Material originalMaterial = originalBody.material;
RigidBody[] newBodies = new RigidBody[newSplits.Length];
if (parentUV != null)
{
childrenUV = new StandardUVMap[newBodies.Length];
for (int i = 0; i < childrenUV.Length; i++)
{
childrenUV[i] = new StandardUVMap(parentUV.GetTexture(), newSplits[i], originalBody.CollisionPolygon, parentUV);
}
}
else
{
childrenUV = null;
}
for (int i = 0; i < newBodies.Length; i++)
{
newBodies[i] = new RigidBody(newSplits[i], originalMaterial);
//Apply proportional velocity
newBodies[i].AddTranslationalVelocity(originalBody.TranslationalVelocity, isMomentum: false);
//Apply tangential velocity
newBodies[i].AddTranslationalVelocity(originalBody.GetLocalVelocity(newBodies[i].CollisionPolygon.CenterPoint) - originalBody.TranslationalVelocity, isMomentum: false);
}
return(newBodies);
}
public void FillPolygon(GraphicsDevice graphicsDevice, ITextureUV uvPoints, Vector2 translation, Vector2 scale)
{
PolygonFillEffect fillEffect = new PolygonFillEffect(graphicsDevice, uvPoints.GetTexture());
//Split into triangles
Triangle[] triangles = GetTriangles();
//Scale and translate
for (int i = 0; i < triangles.Length; i++)
{
triangles[i].Translate(translation);
triangles[i].Scale(scale);
}
//Get UV map points and ensure validity
Vector2[] uvMapPoints = uvPoints.GetUVPoints();
if (uvMapPoints.Length != triangles.Length * 3)
{
throw new Exception("Invalid UV points. They are not of the proper length.");
}
//Apply triangles
VertexPositionTexture[] vertexTexturePositions = new VertexPositionTexture[triangles.Length * 3];
int[] indexData = new int[vertexTexturePositions.Length];
for (int i = 0; i < vertexTexturePositions.Length; i++)
{
vertexTexturePositions[i].Position = new Vector3(triangles[i / 3].Vertices[i % 3], 0);
vertexTexturePositions[i].TextureCoordinate = uvMapPoints[i];
indexData[i] = i;
}
foreach (EffectPass pass in fillEffect.CurrentTechnique.Passes)
{
pass.Apply();
graphicsDevice.DrawUserIndexedPrimitives <VertexPositionTexture>(PrimitiveType.TriangleList, vertexTexturePositions, 0, vertexTexturePositions.Length, indexData, 0, triangles.Length);
}
fillEffect.Dispose();
}