public override void UpdateWorldBoundingBox()
{
if (worldBoundingBox != null)
if (mesh != null)
worldBoundingBox = mesh.CreateBoundingBox(GetWorldMatrix());
}
private Shape CreateShape()
{
Shape shape = null;
boundingBox = new BoundingBox();
List<Geometry> geom = RenderUtil.GatherGeometry(GameObject);
List<Mesh> meshes = new List<Mesh>();
List<Matrix4f> matrices = new List<Matrix4f>();
Vector3f mytrans = GameObject.GetUpdatedWorldTranslation();
if (GameObject is Geometry)
{
Geometry g_obj = (Geometry)GameObject;
Mesh m = g_obj.Mesh;
meshes.Add(m);
Transform ttransform = new Transform();
ttransform.SetTranslation(g_obj.GetUpdatedWorldTranslation());
ttransform.SetRotation(g_obj.GetUpdatedWorldRotation());
ttransform.SetScale(g_obj.GetUpdatedWorldScale());
Matrix4f matrix = ttransform.GetMatrix();
BoundingBox tmpBB = m.CreateBoundingBox();
matrices.Add(matrix);
boundingBox.Extend(tmpBB);
}
for (int i = 0; i < geom.Count; i++)
{
Geometry g = geom[i];
if (g != GameObject)
{
Mesh m = g.Mesh;
meshes.Add(m);
Transform ttransform = new Transform();
ttransform.SetTranslation(g.GetUpdatedWorldTranslation().Subtract(mytrans));
ttransform.SetRotation(g.GetUpdatedWorldRotation());
ttransform.SetScale(g.GetUpdatedWorldScale());
Matrix4f matrix = ttransform.GetMatrix();
BoundingBox tmpBB = m.CreateBoundingBox(matrix);
matrices.Add(matrix);
boundingBox.Extend(tmpBB);
}
}
if (physicsShape == PhysicsWorld.PhysicsShape.StaticMesh)
{
List<JVector> jvec = new List<JVector>();
List<TriangleVertexIndices> tv = new List<TriangleVertexIndices>();
List<Vector3f> vertexPositions = new List<Vector3f>();
for (int m = 0; m < meshes.Count; m++)
{
for (int v = 0; v < meshes[m].vertices.Count; v++)
{
Vector3f myvec = meshes[m].vertices[v].GetPosition().Multiply(matrices[m]);
jvec.Add(new JVector(myvec.x, myvec.y, myvec.z));
}
for (int i = 0; i < meshes[m].indices.Count; i += 3)
{
tv.Add(new TriangleVertexIndices(meshes[m].indices[i + 2], meshes[m].indices[i + 1], meshes[m].indices[i]));
}
}
Octree oct = new Octree(jvec, tv);
TriangleMeshShape trimesh = new TriangleMeshShape(oct);
shape = trimesh;
oct = null;
jvec.Clear();
tv.Clear();
}
else if (physicsShape == PhysicsWorld.PhysicsShape.ConvexMesh)
{
List<JVector> jvec = new List<JVector>();
List<Vector3f> vertexPositions = new List<Vector3f>();
for (int m = 0; m < meshes.Count; m++)
{
for (int v = 0; v < meshes[m].indices.Count; v++)
{
Vector3f vec = meshes[m].vertices[meshes[m].indices[v]].GetPosition().Multiply(matrices[m]);
jvec.Add(new JVector(vec.x, vec.y, vec.z));
}
}
ConvexHullShape hullShape = new ConvexHullShape(jvec);
shape = hullShape;
}
else if (physicsShape == PhysicsWorld.PhysicsShape.Box)
{
/* Mesh boxMesh = MeshFactory.CreateCube(boundingBox.Min, boundingBox.Max);
List<JVector> jvec = new List<JVector>();
List<TriangleVertexIndices> tv = new List<TriangleVertexIndices>();
for (int v = 0; v < boxMesh.vertices.Count; v++)
{
Vector3f myvec = boxMesh.vertices[v].GetPosition();
jvec.Add(new JVector(myvec.x, myvec.y, myvec.z));
}
for (int i = 0; i < boxMesh.indices.Count; i += 3)
{
tv.Add(new TriangleVertexIndices(boxMesh.indices[i], boxMesh.indices[i + 1], boxMesh.indices[i + 2]));
}
Octree oct = new Octree(jvec, tv);
TriangleMeshShape trimesh = new TriangleMeshShape(oct);*/
shape = new BoxShape(boundingBox.Extent.x, boundingBox.Extent.y, boundingBox.Extent.z);
// shape = trimesh;
// tv.Clear();
// jvec.Clear();
// oct = null;
// boxMesh = null;
}
meshes.Clear();
matrices.Clear();
geom.Clear();
return shape;
}
public override BoundingBox GetWorldBoundingBox()
{
if (worldBoundingBox == null)
{
worldBoundingBox = new BoundingBox();
UpdateWorldBoundingBox();
}
return worldBoundingBox;
}
public override BoundingBox GetLocalBoundingBox()
{
if (localBoundingBox == null)
{
localBoundingBox = new BoundingBox();
UpdateLocalBoundingBox();
}
return localBoundingBox;
}
public BoundingBox Extend(BoundingBox b)
{
return Extend(b.Min).Extend(b.Max);
}
public static void RenderBoundingBox(BoundingBox boundingBox)
{
float offset = 0.1f;
RenderManager.Renderer.DrawVertex(boundingBox.Max.x + offset, boundingBox.Min.y - offset, boundingBox.Max.z + offset);
RenderManager.Renderer.DrawVertex(boundingBox.Min.x - offset, boundingBox.Min.y - offset, boundingBox.Max.z + offset);
RenderManager.Renderer.DrawVertex(boundingBox.Min.x - offset, boundingBox.Min.y - offset, boundingBox.Min.z - offset);
RenderManager.Renderer.DrawVertex(boundingBox.Max.x + offset, boundingBox.Max.y + offset, boundingBox.Min.z - offset);
RenderManager.Renderer.DrawVertex(boundingBox.Min.x - offset, boundingBox.Max.y + offset, boundingBox.Min.z - offset);
RenderManager.Renderer.DrawVertex(boundingBox.Min.x - offset, boundingBox.Max.y + offset, boundingBox.Max.z + offset);
RenderManager.Renderer.DrawVertex(boundingBox.Max.x + offset, boundingBox.Max.y + offset, boundingBox.Min.z - offset);
RenderManager.Renderer.DrawVertex(boundingBox.Max.x + offset, boundingBox.Max.y + offset, boundingBox.Max.z + offset);
RenderManager.Renderer.DrawVertex(boundingBox.Max.x + offset, boundingBox.Min.y - offset, boundingBox.Max.z + offset);
RenderManager.Renderer.DrawVertex(boundingBox.Max.x + offset, boundingBox.Min.y - offset, boundingBox.Max.z + offset);
RenderManager.Renderer.DrawVertex(boundingBox.Max.x + offset, boundingBox.Max.y + offset, boundingBox.Max.z + offset);
RenderManager.Renderer.DrawVertex(boundingBox.Min.x - offset, boundingBox.Max.y + offset, boundingBox.Max.z + offset);
RenderManager.Renderer.DrawVertex(boundingBox.Min.x - offset, boundingBox.Max.y + offset, boundingBox.Max.z + offset);
RenderManager.Renderer.DrawVertex(boundingBox.Min.x - offset, boundingBox.Max.y + offset, boundingBox.Min.z - offset);
RenderManager.Renderer.DrawVertex(boundingBox.Min.x - offset, boundingBox.Min.y - offset, boundingBox.Min.z - offset);
RenderManager.Renderer.DrawVertex(boundingBox.Max.x + offset, boundingBox.Min.y - offset, boundingBox.Min.z - offset);
RenderManager.Renderer.DrawVertex(boundingBox.Min.x - offset, boundingBox.Min.y - offset, boundingBox.Min.z - offset);
RenderManager.Renderer.DrawVertex(boundingBox.Min.x - offset, boundingBox.Max.y + offset, boundingBox.Min.z - offset);
RenderManager.Renderer.DrawVertex(boundingBox.Max.x + offset, boundingBox.Min.y - offset, boundingBox.Min.z - offset);
RenderManager.Renderer.DrawVertex(boundingBox.Max.x + offset, boundingBox.Min.y - offset, boundingBox.Max.z + offset);
RenderManager.Renderer.DrawVertex(boundingBox.Min.x - offset, boundingBox.Min.y - offset, boundingBox.Min.z - offset);
RenderManager.Renderer.DrawVertex(boundingBox.Max.x + offset, boundingBox.Max.y + offset, boundingBox.Max.z + offset);
RenderManager.Renderer.DrawVertex(boundingBox.Max.x + offset, boundingBox.Max.y + offset, boundingBox.Min.z - offset);
RenderManager.Renderer.DrawVertex(boundingBox.Min.x - offset, boundingBox.Max.y + offset, boundingBox.Max.z + offset);
RenderManager.Renderer.DrawVertex(boundingBox.Max.x + offset, boundingBox.Min.y - offset, boundingBox.Min.z - offset);
RenderManager.Renderer.DrawVertex(boundingBox.Max.x + offset, boundingBox.Max.y + offset, boundingBox.Min.z - offset);
RenderManager.Renderer.DrawVertex(boundingBox.Max.x + offset, boundingBox.Min.y - offset, boundingBox.Max.z + offset);
RenderManager.Renderer.DrawVertex(boundingBox.Min.x - offset, boundingBox.Min.y - offset, boundingBox.Max.z + offset);
RenderManager.Renderer.DrawVertex(boundingBox.Max.x + offset, boundingBox.Min.y - offset, boundingBox.Max.z + offset);
RenderManager.Renderer.DrawVertex(boundingBox.Min.x - offset, boundingBox.Max.y + offset, boundingBox.Max.z + offset);
RenderManager.Renderer.DrawVertex(boundingBox.Min.x - offset, boundingBox.Min.y - offset, boundingBox.Max.z + offset);
RenderManager.Renderer.DrawVertex(boundingBox.Min.x - offset, boundingBox.Max.y + offset, boundingBox.Max.z + offset);
RenderManager.Renderer.DrawVertex(boundingBox.Min.x - offset, boundingBox.Min.y - offset, boundingBox.Min.z - offset);
RenderManager.Renderer.DrawVertex(boundingBox.Max.x + offset, boundingBox.Max.y + offset, boundingBox.Min.z - offset);
RenderManager.Renderer.DrawVertex(boundingBox.Max.x + offset, boundingBox.Min.y - offset, boundingBox.Min.z - offset);
RenderManager.Renderer.DrawVertex(boundingBox.Min.x - offset, boundingBox.Max.y + offset, boundingBox.Min.z - offset);
}
private void RenderBoundingBox(BoundingBox boundingBox)
{
GL.Enable(EnableCap.PolygonOffsetLine);
GL.PolygonOffset(15.0f, 100.0f);
GL.MatrixMode(MatrixMode.Modelview);
GL.LoadMatrix(cam.ViewMatrix.GetInvertedValues());
GL.MatrixMode(MatrixMode.Projection);
GL.LoadMatrix(cam.ProjectionMatrix.GetInvertedValues());
GL.PolygonMode(MaterialFace.FrontAndBack, PolygonMode.Line);
GL.LineWidth(1.5f);
GL.Begin(PrimitiveType.Triangles);
GL.Color3(1.0f, 0.0f, 0.0f);
RenderUtil.RenderBoundingBox(boundingBox);
GL.End();
GL.Disable(EnableCap.PolygonOffsetLine);
}
