Ejemplo n.º 1
0
        public override void SetBoundingBox()
        {
            Vector3 topLeft  = TopLeft * CaseRadius + Vector3.Up * HalfSideWidth + Vector3.UnitZ * Height + Vector3.Left * TopWidth;
            Vector3 botRight = BottomRight * CaseRadius + Vector3.Down * HalfSideWidth - Vector3.UnitZ * Height + Vector3.UnitX * TopWidth;

            box     = new BoundingBox(topLeft, botRight);
            buffers = BoundingBoxBuffers.CreateBoundingBoxBuffers(box, device);
        }
Ejemplo n.º 2
0
        public override void SetBoundingBox()
        {
            Vector3 topLeft  = GetCircleVector(Segmentation / 8, Segmentation) * OuterRadius * 1.2f + Vector3.Down * CaseHeight / 2;
            Vector3 botRight = GetCircleVector(Segmentation * 5 / 8, Segmentation) * OuterRadius * 1.2f + Vector3.Down * (Height + CaseHeight / 2);

            box     = new BoundingBox(topLeft, botRight);
            buffers = BoundingBoxBuffers.CreateBoundingBoxBuffers(box, device);
        }
Ejemplo n.º 3
0
        public static BoundingBoxBuffers CreateBoundingBoxBuffers(BoundingBox boundingBox, GraphicsDevice graphicsDevice)
        {
            BoundingBoxBuffers boundingBoxBuffers = new BoundingBoxBuffers();

            boundingBoxBuffers.PrimitiveCount = 24;
            boundingBoxBuffers.VertexCount    = 48;

            VertexBuffer vertexBuffer = new VertexBuffer(graphicsDevice,
                                                         typeof(VertexPositionColor), boundingBoxBuffers.VertexCount,
                                                         BufferUsage.WriteOnly);
            List <VertexPositionColor> vertices = new List <VertexPositionColor>();

            const float ratio = 5.0f;

            Vector3 xOffset = new Vector3((boundingBox.Max.X - boundingBox.Min.X) / ratio, 0, 0);
            Vector3 yOffset = new Vector3(0, (boundingBox.Max.Y - boundingBox.Min.Y) / ratio, 0);
            Vector3 zOffset = new Vector3(0, 0, (boundingBox.Max.Z - boundingBox.Min.Z) / ratio);

            Vector3[] corners = boundingBox.GetCorners();

            // Corner 1.
            AddVertex(vertices, corners[0]);
            AddVertex(vertices, corners[0] + xOffset);
            AddVertex(vertices, corners[0]);
            AddVertex(vertices, corners[0] - yOffset);
            AddVertex(vertices, corners[0]);
            AddVertex(vertices, corners[0] - zOffset);

            // Corner 2.
            AddVertex(vertices, corners[1]);
            AddVertex(vertices, corners[1] - xOffset);
            AddVertex(vertices, corners[1]);
            AddVertex(vertices, corners[1] - yOffset);
            AddVertex(vertices, corners[1]);
            AddVertex(vertices, corners[1] - zOffset);

            // Corner 3.
            AddVertex(vertices, corners[2]);
            AddVertex(vertices, corners[2] - xOffset);
            AddVertex(vertices, corners[2]);
            AddVertex(vertices, corners[2] + yOffset);
            AddVertex(vertices, corners[2]);
            AddVertex(vertices, corners[2] - zOffset);

            // Corner 4.
            AddVertex(vertices, corners[3]);
            AddVertex(vertices, corners[3] + xOffset);
            AddVertex(vertices, corners[3]);
            AddVertex(vertices, corners[3] + yOffset);
            AddVertex(vertices, corners[3]);
            AddVertex(vertices, corners[3] - zOffset);

            // Corner 5.
            AddVertex(vertices, corners[4]);
            AddVertex(vertices, corners[4] + xOffset);
            AddVertex(vertices, corners[4]);
            AddVertex(vertices, corners[4] - yOffset);
            AddVertex(vertices, corners[4]);
            AddVertex(vertices, corners[4] + zOffset);

            // Corner 6.
            AddVertex(vertices, corners[5]);
            AddVertex(vertices, corners[5] - xOffset);
            AddVertex(vertices, corners[5]);
            AddVertex(vertices, corners[5] - yOffset);
            AddVertex(vertices, corners[5]);
            AddVertex(vertices, corners[5] + zOffset);

            // Corner 7.
            AddVertex(vertices, corners[6]);
            AddVertex(vertices, corners[6] - xOffset);
            AddVertex(vertices, corners[6]);
            AddVertex(vertices, corners[6] + yOffset);
            AddVertex(vertices, corners[6]);
            AddVertex(vertices, corners[6] + zOffset);

            // Corner 8.
            AddVertex(vertices, corners[7]);
            AddVertex(vertices, corners[7] + xOffset);
            AddVertex(vertices, corners[7]);
            AddVertex(vertices, corners[7] + yOffset);
            AddVertex(vertices, corners[7]);
            AddVertex(vertices, corners[7] + zOffset);

            vertexBuffer.SetData(vertices.ToArray());
            boundingBoxBuffers.Vertices = vertexBuffer;

            IndexBuffer indexBuffer = new IndexBuffer(graphicsDevice, IndexElementSize.SixteenBits, boundingBoxBuffers.VertexCount,
                                                      BufferUsage.WriteOnly);

            indexBuffer.SetData(Enumerable.Range(0, boundingBoxBuffers.VertexCount).Select(i => (short)i).ToArray());
            boundingBoxBuffers.Indices = indexBuffer;

            return(boundingBoxBuffers);
        }