public override void LoadContent(Microsoft.Xna.Framework.Content.ContentManager content)
{
base.LoadContent(content);
BlockData.Initialize(Device, content);
cam = new FirstPersonCamera(0.5f, 10);
cam.Pos = new Vector3(3, 3, 13);
map = new Map(Device);
partition = new MapPartition(map);
engine = new PhysicsEngine3D(partition);
MeshBuilder mb = new MeshBuilder(Device);
sphere = mb.CreateSphere(0.1f, 10, 10);
marker = new MeshNode(sphere);
placeType = 1;
primBatch = new PrimitiveBatch(Device);
}
public override void LoadContent(Microsoft.Xna.Framework.Content.ContentManager content)
{
base.LoadContent(content);
map = new Map(Device, "startPosTest.txt");
// map = new Map();
BlockData.Initialize(Device, content);
primBatch = new PrimitiveBatch(Device);
MeshBuilder mb = new MeshBuilder(Device);
mb.Begin();
//mb.AddCylinder(1, 1, 50);
mb.AddSphere(1, 20, 20);
testMesh = mb.End();
mNode = new MeshNode(testMesh);
mNode.SetPivot(new Vector3(0, -1f, 0));
mNode.SetScl(new Vector3(1, 5, 1));
MeshNode child = new MeshNode(testMesh);
child.SetPos(new Vector3(0, 2, 0));
MeshNode another = new MeshNode(testMesh);
another.SetPos(new Vector3(0, 2, 0));
//Mesh sphere = mb.CreateSphere(0.1f, 10, 10);
//startMarker = new MeshNode(sphere);
//startMarker.SetPos(map.StartPos);
//child.AddChild(another);
//mNode.AddChild(child);
}
//A scenegraph is composed of SceneNodes
public override void LoadContent(ContentManager content, GraphicsDevice g)
{
base.LoadContent(content, g);
//Set up our camera and primitive renderer
cam = new FirstPersonCamera(0.5f, 5f); //0.5f is the turn speed for the camera, and 5f is the translational speed
cam.Pos = new Vector3(3, 3, 13); //Move our camera to the point (3, 3, 13)
primBatch = new PrimitiveBatch(g); //Initialize our PrimitiveBatch
//Define the objects in our scene
Mesh sphere, cylinder, box; //Define the meshes we will use for the robot arm
//A mesh holds a list of vertices, and a list of indices which represent triangles
MeshNode arm, elbow, forearm, wrist, hand; //Define all the parts of the robot arm we will use
MeshBuilder mb = new MeshBuilder(g); //MeshBuilder is a helper class for generating 3D geometry
//It has some built in functions to create primitives, as well as
//functions to create your own arbitrary meshes
//Genererate our geometry
//All geometry created is centered around the origin in its local coordinate system
sphere = mb.CreateSphere(0.5f, 15, 15); //Create a sphere mesh, with radius 0.5 and with 15 subdivisions
cylinder = mb.CreateCylinder(0.3f, 2.0f, 15); //Create a cylinder with radius 0.3, a height of 2, and 15 subdivisions
box = mb.CreateBox(0.8f, 1.4f, 0.1f); //Create a box with width 0.8, height of 1.4, and depth of 0.1
shoulder = new MeshNode(sphere); //Assign the sphere mesh to our shoulder node
arm = new MeshNode(cylinder); //Assign the cylinder mesh to our arm node
arm.SetPos(new Vector3(0, -1, 0)); //Translate the arm down 1 on the y axis
elbow = new MeshNode(sphere); //Assign a sphere to our elbow node
elbow.SetPos(new Vector3(0, -2, 0)); //Translate the elbow down 2 on the y axis
forearm = new MeshNode(cylinder); //Assign a cylinder to our forearm node
forearm.SetPos(new Vector3(0, -1, 0)); //Translate the forearm down 1 on the y axis
wrist = new MeshNode(sphere); //Assign a sphere for the wrist node
wrist.SetPos(new Vector3(0, -2, 0)); //Translate the wrist down 2 on the y axis
hand = new MeshNode(box); //Assign the box to the hand node
hand.SetPos(new Vector3(0, -0.7f, 0)); //Translate the hand down 0.7 (half the height of the box) on the y axis
shoulder.AddChild(arm); //The shoulder is the root of this scene, in our case. It is the parent
shoulder.AddChild(elbow); //of both the arm and the elbow
elbow.AddChild(forearm); //The elbow is the parent of the forearm and wrist
elbow.AddChild(wrist);
wrist.AddChild(hand); //The wrist is the parent of the hand
shoulder.SetPos(new Vector3(0, 5, 0)); //This call effectively translates the entire arm up 5 on the y axis
}
public override void LoadContent(ContentManager content, GraphicsDevice g)
{
base.LoadContent(content, g);
//Set up our camera and primitive renderer
cam = new ThirdPersonCamera(targetPos, 5.0f, 0.2f);
primBatch = new PrimitiveBatch(g); //Initialize our PrimitiveBatch
MeshBuilder mb = new MeshBuilder(g);
Mesh triangle;// = mb.CreateSphere(0.3f, 15, 15);
mb.Begin();
// mb.AddTriangle(Vector3.Zero, new Vector3(1, 1, 0), new Vector3(1, 0, 0), true);
// mb.AddTriangle(Vector3.Zero, new Vector3(1, 1, 0), new Vector3(1, 0, 0), new Vector2(1, 1), new Vector2(0, 0), new Vector2(0, 1), true);
mb.AddQuad(Vector3.Zero, new Vector3(1, 1, 0), new Vector3(2, 1, 0), new Vector3(1, 0, 0), true, new Vector2(0, 0), new Vector2(1, 1), new Vector2(2, 1), new Vector2(1, 0));
triangle = mb.End();
triangle.Texture = content.Load<Texture2D>("Cube");
target = new MeshNode(triangle);
target.SetPos(targetPos);
}
public override void LoadContent(ContentManager content, GraphicsDevice g)
{
base.LoadContent(content, g);
primBatch = new PrimitiveBatch(Device);
cam = new FirstPersonCamera(0.5f, 10);
cam.Pos = new Vector3(3, 3, 13);
MeshBuilder mb = new MeshBuilder(Device);
mb.Begin();
mb.AddSphere(radius, 20, 20);
Mesh sphereMesh = mb.End();
sphere = new MeshNode(sphereMesh);
sphere.SetPos(new Vector3(5, 5, 5));
planes = new List<Plane>();
planes.Add(new Plane(Vector3.Right, 0));
planes.Add(new Plane(Vector3.Up, 0));
planes.Add(new Plane(new Vector3(0, 0, 1), 0));
planes.Add(new Plane(Vector3.Left, -10));
planes.Add(new Plane(Vector3.Down, -10));
planes.Add(new Plane(new Vector3(0, 0, -1), -10));
}
private void updatePicking()
{
float closest = float.MaxValue;
if (dragging || InputHandler.MouseState.LeftButton == Microsoft.Xna.Framework.Input.ButtonState.Released)
{
return;
}
foreach (MeshNode mesh in pickableObjects)
{
if (camRay.Intersects(mesh.GetBounds()) != null)
{
if (mesh.Equals(trigger))
{
//Check trigger triangles
foreach (Triangle tri in triggerTris)
{
Matrix meshInverseTransform = Matrix.Invert(mesh.GetAbsoluteTransform());
Vector3 transformedRayStart = Vector3.Transform(camRay.Position, meshInverseTransform);
Vector3 transformedRayDir = Vector3.TransformNormal(camRay.Direction, meshInverseTransform);
float dist = IntersectRayTriangle(transformedRayStart, transformedRayStart + (transformedRayDir * 1000f), tri.v1, tri.v2, tri.v3);
if (dist > 0 && dist < closest)
{
closest = dist;
selectedObject = trigger;
}
}
}
else if (mesh.Equals(handle))
{
//Check handle triangles
foreach (Triangle tri in handleTris)
{
Matrix meshInverseTransform = Matrix.Invert(mesh.GetAbsoluteTransform());
Vector3 transformedRayStart = Vector3.Transform(camRay.Position, meshInverseTransform);
Vector3 transformedRayDir = Vector3.TransformNormal(camRay.Direction, meshInverseTransform);
float dist = IntersectRayTriangle(transformedRayStart, transformedRayStart + (transformedRayDir * 100f), tri.v1, tri.v2, tri.v3);
if (dist > 0 && dist < closest)
{
closest = dist;
selectedObject = handle;
}
}
}
else if (mesh.Equals(body))
{
//Check body triangles
foreach (Triangle tri in bodyTris)
{
Matrix meshInverseTransform = Matrix.Invert(mesh.GetAbsoluteTransform());
Vector3 transformedRayStart = Vector3.Transform(camRay.Position, meshInverseTransform);
Vector3 transformedRayDir = Vector3.TransformNormal(camRay.Direction, meshInverseTransform);
float dist = IntersectRayTriangle(transformedRayStart, transformedRayStart + (transformedRayDir * 1000f), tri.v1, tri.v2, tri.v3);
if (dist > 0 && dist < closest)
{
closest = dist;
selectedObject = body;
}
}
}
}
}
}
public override void Update(GameTime g)
{
cam.Update(g);
float dt = (float)g.ElapsedGameTime.TotalSeconds;
Vector2 mousePos = new Vector2(InputHandler.MouseState.X, InputHandler.MouseState.Y);
camRay = GetRayFromScreen(new Vector2(Config.ScreenWidth / 2f, Config.ScreenHeight / 2f));
updatePicking();
if (InputHandler.LastMouseState.LeftButton == ButtonState.Pressed && InputHandler.MouseState.LeftButton == ButtonState.Pressed)
{
dragging = true;
}
if (InputHandler.LastMouseState.LeftButton == ButtonState.Pressed && InputHandler.MouseState.LeftButton == ButtonState.Released)
{
selectedObject = null;
dragging = false;
}
if (dragging && selectedObject != null)
{
Vector3 gunDirection = Vector3.TransformNormal(new Vector3(0, 0, 1), body.GetAbsoluteTransform());
if (trigger.Equals(selectedObject))
{
Ray diffRay = GetRayFromScreen(mousePos + cam.MouseDelta);
Vector3 diffPoint = diffRay.Position + (diffRay.Direction * 10f);
Vector3 camPoint = camRay.Position + (camRay.Direction * 10f);
Vector3 diff = diffPoint - camPoint;
float amt = Vector3.Dot(diff, -gunDirection);
float triggerMax = 0.6f;
triggerRot += amt;
if (triggerRot >= triggerMax)
{
Console.WriteLine("BANG!");
fire.Play();
triggerRot = 0;
//dragging = false;
//5selectedObject = null;
}
triggerRot = MathHelper.Clamp(triggerRot, 0, triggerMax);
trigger.SetRotation(Quaternion.CreateFromAxisAngle(Vector3.Right, triggerRot));
}
else if (handle.Equals(selectedObject))
{
Ray diffRay = GetRayFromScreen(mousePos + cam.MouseDelta);
Vector3 diffPoint = diffRay.Position + (diffRay.Direction * 10f);
Vector3 camPoint = camRay.Position + (camRay.Direction * 10f);
Vector3 diff = diffPoint - camPoint;
handle.SetPos(handle.GetPos() + new Vector3(0, 0, 1) * Vector3.Dot(new Vector3(0, 0, 1), diff));
float clampedZ = MathHelper.Clamp(handle.GetPos().Z, 0.0f, 0.477f);
Vector3 newPos = handle.GetPos();
newPos.Z = clampedZ;
handle.SetPos(newPos);
}
else if (body.Equals(selectedObject))
{
Ray diffRay = GetRayFromScreen(mousePos + cam.MouseDelta);
Vector3 cross = Vector3.Cross(camRay.Direction*10, diffRay.Direction*10);
if (cross.Length() > 0)
{
Quaternion rotDiff = Quaternion.CreateFromAxisAngle(Vector3.Normalize(cross), -0.06f);
body.SetRotation(body.GetRotation() * rotDiff);
}
}
}
}
public override void LoadContent(ContentManager content, GraphicsDevice g)
{
base.LoadContent(content, g);
primBatch = new PrimitiveBatch(Device);
cam = new FirstPersonCamera(0.5f, 10);
//cam.Pos = new Vector3(3, 3, 13);
Model bodyModel = content.Load<Model>("Models/Body");
Model handleModel = content.Load<Model>("Models/Handle");
Model triggerModel = content.Load<Model>("Models/Trigger");
crosshair = content.Load<Texture2D>("Crosshair");
fire = content.Load<SoundEffect>("fire_silenced");
batch = new SpriteBatch(Device);
Mesh bodyMesh = new Mesh();
bodyMesh.Indices = bodyModel.Meshes[0].MeshParts[0].IndexBuffer;
bodyMesh.Vertices = bodyModel.Meshes[0].MeshParts[0].VertexBuffer;
body = new MeshNode(bodyMesh);
Mesh handleMesh = new Mesh();
handleMesh.Indices = handleModel.Meshes[0].MeshParts[0].IndexBuffer;
handleMesh.Vertices = handleModel.Meshes[0].MeshParts[0].VertexBuffer;
handle = new MeshNode(handleMesh);
handle.SetPos(new Vector3(0, 0.13f, 0.477f));
Mesh triggerMesh = new Mesh();
triggerMesh.Indices = triggerModel.Meshes[0].MeshParts[0].IndexBuffer;
triggerMesh.Vertices = triggerModel.Meshes[0].MeshParts[0].VertexBuffer;
trigger = new MeshNode(triggerMesh);
trigger.SetPos(new Vector3(0, 0.033f, -1.561f));
body.AddChild(handle);
body.AddChild(trigger);
body.SetPos(new Vector3(0, 5, 0));
pickableObjects = new List<MeshNode>();
pickableObjects.Add(body);
pickableObjects.Add(handle);
pickableObjects.Add(trigger);
//Extract triangles
bodyTris = GetTriangles(bodyMesh);
handleTris = GetTriangles(handleMesh);
triggerTris = GetTriangles(triggerMesh);
}
