private void InitializeObjects() { // Set up the primary frustum object from a D3D projection matrix // NOTE: This can also be done on your camera's projection matrix. The projection // matrix built here is somewhat contrived so it renders well. XMMatrix xmProj = XMMatrix.PerspectiveFovLH(XMMath.PIDivFour, 1.77778f, 0.5f, 10.0f); this.primaryFrustum = BoundingFrustum.CreateFromMatrix(xmProj); this.primaryFrustum.Origin = new XMFloat3(this.primaryFrustum.Origin.X, this.primaryFrustum.Origin.Y, -7.0f); this.cameraOrigins[0] = new XMVector(0, 0, 0, 0); // Set up the primary axis aligned box this.primaryAABox.Center = new XMFloat3(CameraSpacing, 0, 0); this.primaryAABox.Extents = new XMFloat3(5, 5, 5); this.cameraOrigins[1] = new XMVector(CameraSpacing, 0, 0, 0); // Set up the primary oriented box with some rotation this.primaryOrientedBox.Center = new XMFloat3(-CameraSpacing, 0, 0); this.primaryOrientedBox.Extents = new XMFloat3(5, 5, 5); this.primaryOrientedBox.Orientation = XMQuaternion.RotationRollPitchYaw(XMMath.PIDivFour, XMMath.PIDivFour, 0); this.cameraOrigins[2] = new XMVector(-CameraSpacing, 0, 0, 0); // Set up the primary ray this.primaryRay.Origin = new XMVector(0, 0, CameraSpacing, 0); this.primaryRay.Direction = new XMVector(0, 0, 1, 0); this.cameraOrigins[3] = new XMVector(0, 0, CameraSpacing, 0); // Initialize all of the secondary objects with default values for (int i = 0; i < GroupCount; i++) { this.secondarySpheres[i].Sphere = new BoundingSphere(new XMFloat3(0, 0, 0), 1.0f); this.secondarySpheres[i].Collision = ContainmentType.Disjoint; this.secondaryOrientedBoxes[i].Box = new BoundingOrientedBox(new XMFloat3(0, 0, 0), new XMFloat3(0.5f, 0.5f, 0.5f), new XMFloat4(0, 0, 0, 1)); this.secondaryOrientedBoxes[i].Collision = ContainmentType.Disjoint; this.secondaryAABoxes[i].Box = new BoundingBox(new XMFloat3(0, 0, 0), new XMFloat3(0.5f, 0.5f, 0.5f)); this.secondaryAABoxes[i].Collision = ContainmentType.Disjoint; this.secondaryTriangles[i].PointA = XMVector.Zero; this.secondaryTriangles[i].PointB = XMVector.Zero; this.secondaryTriangles[i].PointC = XMVector.Zero; this.secondaryTriangles[i].Collision = ContainmentType.Disjoint; } // Set up ray hit result box this.rayHitResultBox.Box = new BoundingBox(new XMFloat3(0, 0, 0), new XMFloat3(0.05f, 0.05f, 0.05f)); }
private void Animate(double fTime) { float t = (float)(fTime * 0.2); float camera0OriginX = this.cameraOrigins[0].X; float camera1OriginX = this.cameraOrigins[1].X; float camera2OriginX = this.cameraOrigins[2].X; float camera3OriginX = this.cameraOrigins[3].X; float camera3OriginZ = this.cameraOrigins[3].Z; // animate sphere 0 around the frustum { BoundingSphere sphere = this.secondarySpheres[0].Sphere; sphere.Center = new XMFloat3 { X = 10 * XMScalar.Sin(3 * t), Y = 7 * XMScalar.Cos(5 * t), Z = sphere.Center.Z }; this.secondarySpheres[0].Sphere = sphere; } // animate oriented box 0 around the frustum { BoundingOrientedBox box = this.secondaryOrientedBoxes[0].Box; box.Center = new XMFloat3 { X = 8 * XMScalar.Sin(3.5f * t), Y = 5 * XMScalar.Cos(5.1f * t), Z = box.Center.Z }; box.Orientation = XMQuaternion.RotationRollPitchYaw(t * 1.4f, t * 0.2f, t); this.secondaryOrientedBoxes[0].Box = box; } // animate aligned box 0 around the frustum { BoundingBox box = this.secondaryAABoxes[0].Box; box.Center = new XMFloat3 { X = 10 * XMScalar.Sin(2.1f * t), Y = 7 * XMScalar.Cos(3.8f * t), Z = box.Center.Z }; this.secondaryAABoxes[0].Box = box; } // animate sphere 1 around the aligned box { BoundingSphere sphere = this.secondarySpheres[1].Sphere; sphere.Center = new XMFloat3 { X = 8 * XMScalar.Sin(2.9f * t) + camera1OriginX, Y = 8 * XMScalar.Cos(4.6f * t), Z = 8 * XMScalar.Cos(1.6f * t) }; this.secondarySpheres[1].Sphere = sphere; } // animate oriented box 1 around the aligned box { BoundingOrientedBox box = this.secondaryOrientedBoxes[1].Box; box.Center = new XMFloat3 { X = 8 * XMScalar.Sin(3.2f * t) + camera1OriginX, Y = 8 * XMScalar.Cos(2.1f * t), Z = 8 * XMScalar.Sin(1.6f * t) }; box.Orientation = XMQuaternion.RotationRollPitchYaw(t * 0.7f, t * 1.3f, t); this.secondaryOrientedBoxes[1].Box = box; } // animate aligned box 1 around the aligned box { BoundingBox box = this.secondaryAABoxes[1].Box; box.Center = new XMFloat3 { X = 8 * XMScalar.Sin(1.1f * t) + camera1OriginX, Y = 8 * XMScalar.Cos(5.8f * t), Z = 8 * XMScalar.Cos(3.0f * t) }; this.secondaryAABoxes[1].Box = box; } // animate sphere 2 around the oriented box { BoundingSphere sphere = this.secondarySpheres[2].Sphere; sphere.Center = new XMFloat3 { X = 8 * XMScalar.Sin(2.2f * t) + camera2OriginX, Y = 8 * XMScalar.Cos(4.3f * t), Z = 8 * XMScalar.Cos(1.8f * t) }; this.secondarySpheres[2].Sphere = sphere; } // animate oriented box 2 around the oriented box { BoundingOrientedBox box = this.secondaryOrientedBoxes[2].Box; box.Center = new XMFloat3 { X = 8 * XMScalar.Sin(3.7f * t) + camera2OriginX, Y = 8 * XMScalar.Cos(2.5f * t), Z = 8 * XMScalar.Sin(1.1f * t) }; box.Orientation = XMQuaternion.RotationRollPitchYaw(t * 0.9f, t * 1.8f, t); this.secondaryOrientedBoxes[2].Box = box; } // animate aligned box 2 around the oriented box { BoundingBox box = this.secondaryAABoxes[2].Box; box.Center = new XMFloat3 { X = 8 * XMScalar.Sin(1.3f * t) + camera2OriginX, Y = 8 * XMScalar.Cos(5.2f * t), Z = 8 * XMScalar.Cos(3.5f * t) }; this.secondaryAABoxes[2].Box = box; } // triangle points in local space - equilateral triangle with radius of 2 XMVector trianglePointA = new(0, 2, 0, 0); XMVector trianglePointB = new(1.732f, -1, 0, 0); XMVector trianglePointC = new(-1.732f, -1, 0, 0); XMMatrix triangleCoords; XMMatrix translation; // animate triangle 0 around the frustum triangleCoords = XMMatrix.RotationRollPitchYaw(t * 1.4f, t * 2.5f, t); translation = XMMatrix.Translation( 5 * XMScalar.Sin(5.3f * t) + camera0OriginX, 5 * XMScalar.Cos(2.3f * t), 5 * XMScalar.Sin(3.4f * t)); triangleCoords = XMMatrix.Multiply(triangleCoords, translation); this.secondaryTriangles[0].PointA = XMVector3.Transform(trianglePointA, triangleCoords); this.secondaryTriangles[0].PointB = XMVector3.Transform(trianglePointB, triangleCoords); this.secondaryTriangles[0].PointC = XMVector3.Transform(trianglePointC, triangleCoords); // animate triangle 1 around the aligned box triangleCoords = XMMatrix.RotationRollPitchYaw(t * 1.4f, t * 2.5f, t); translation = XMMatrix.Translation( 8 * XMScalar.Sin(5.3f * t) + camera1OriginX, 8 * XMScalar.Cos(2.3f * t), 8 * XMScalar.Sin(3.4f * t)); triangleCoords = XMMatrix.Multiply(triangleCoords, translation); this.secondaryTriangles[1].PointA = XMVector3.Transform(trianglePointA, triangleCoords); this.secondaryTriangles[1].PointB = XMVector3.Transform(trianglePointB, triangleCoords); this.secondaryTriangles[1].PointC = XMVector3.Transform(trianglePointC, triangleCoords); // animate triangle 2 around the oriented box triangleCoords = XMMatrix.RotationRollPitchYaw(t * 1.4f, t * 2.5f, t); translation = XMMatrix.Translation( 8 * XMScalar.Sin(5.3f * t) + camera2OriginX, 8 * XMScalar.Cos(2.3f * t), 8 * XMScalar.Sin(3.4f * t)); triangleCoords = XMMatrix.Multiply(triangleCoords, translation); this.secondaryTriangles[2].PointA = XMVector3.Transform(trianglePointA, triangleCoords); this.secondaryTriangles[2].PointB = XMVector3.Transform(trianglePointB, triangleCoords); this.secondaryTriangles[2].PointC = XMVector3.Transform(trianglePointC, triangleCoords); // animate primary ray (this is the only animated primary object) this.primaryRay.Direction = new XMVector(XMScalar.Sin(t * 3), 0, XMScalar.Cos(t * 3), 0); // animate sphere 3 around the ray { BoundingSphere sphere = this.secondarySpheres[3].Sphere; sphere.Center = new XMFloat3(camera3OriginX - 3, 0.5f * XMScalar.Sin(t * 5), camera3OriginZ); this.secondarySpheres[3].Sphere = sphere; } // animate aligned box 3 around the ray { BoundingBox box = this.secondaryAABoxes[3].Box; box.Center = new XMFloat3(camera3OriginX + 3, 0.5f * XMScalar.Sin(t * 4), camera3OriginZ); this.secondaryAABoxes[3].Box = box; } // animate oriented box 3 around the ray { BoundingOrientedBox box = this.secondaryOrientedBoxes[3].Box; box.Center = new XMFloat3(camera3OriginX, 0.5f * XMScalar.Sin(t * 4.5f), camera3OriginZ + 3); box.Orientation = XMQuaternion.RotationRollPitchYaw(t * 0.9f, t * 1.8f, t); this.secondaryOrientedBoxes[3].Box = box; } // animate triangle 3 around the ray triangleCoords = XMMatrix.RotationRollPitchYaw(t * 1.4f, t * 2.5f, t); translation = XMMatrix.Translation( camera3OriginX, 0.5f * XMScalar.Cos(4.3f * t), camera3OriginZ - 3); triangleCoords = XMMatrix.Multiply(triangleCoords, translation); this.secondaryTriangles[3].PointA = XMVector3.Transform(trianglePointA, triangleCoords); this.secondaryTriangles[3].PointB = XMVector3.Transform(trianglePointB, triangleCoords); this.secondaryTriangles[3].PointC = XMVector3.Transform(trianglePointC, triangleCoords); }