public void addModel(String file)
{
Model3D m = new Model3D();
m.model = Content.Load<Model>(file);
m.visible = true;
m.name = file;
models.Add(m);
}
protected override void Update(GameTime gameTime)
{
float timeStep = (float)gameTime.ElapsedGameTime.TotalSeconds * 60.0f;
float deltaAngleY = 0.0f;
KeyboardState keyState = Keyboard.GetState();
MouseState mouseState = Mouse.GetState();
if (mode != Mode.None)
{
if (selectedModel == null) { mode = Mode.None; return; }
if (mouseState.LeftButton == ButtonState.Pressed)
{
mode = Mode.None;
return;
}
if (mouseState.RightButton == ButtonState.Pressed)
{
selectedModel.translate = oldTrans;
selectedModel.scale = oldScale;
selectedModel.rotate = oldRotate;
mode = Mode.None;
return;
}
if (mode == Mode.Translate || mode == Mode.Rotate || mode == Mode.Scale)
{
if (keyState.IsKeyDown(Keys.X))
mode -= 9;
else if (keyState.IsKeyDown(Keys.Y))
mode -= 8;
else if (keyState.IsKeyDown(Keys.Z))
mode -= 7;
return;
}
if (mode == Mode.TranslateX || mode == Mode.TranslateY || mode == Mode.TranslateZ)
{
Vector3 translate = new Vector3(0);
if (mode == Mode.TranslateX)
translate.X = (mouseState.X - mouseX) / 20.0f;
else if (mode == Mode.TranslateY)
translate.Y = (mouseState.X - mouseX) / 20.0f;
else if (mode == Mode.TranslateZ)
translate.Z = (mouseState.X - mouseX) / 20.0f;
selectedModel.translate = oldTrans + translate;
}
else if (mode == Mode.ScaleX)
{
double startDistance = Math.Sqrt(Math.Pow(mouseX - 300, 2) + Math.Pow((mouseY - 300), 2));
double distance = Math.Sqrt(Math.Pow(mouseState.X - 300, 2) + Math.Pow((mouseState.Y - 300), 2));
selectedModel.Scale((new Vector3((float)(distance / startDistance)) * oldScale));
}
else if (mode == Mode.RotateX)
{
double distance = Math.Sqrt(Math.Pow(mouseState.X - mouseX, 2) + Math.Pow((mouseState.Y - mouseY), 2));
selectedModel.RotateX((int)(oldRotate.X - distance));
}
else if (mode == Mode.RotateY)
{
double distance = Math.Sqrt(Math.Pow(mouseState.X - mouseX, 2) + Math.Pow((mouseState.Y - mouseY), 2));
selectedModel.RotateY((int)(oldRotate.Y - distance));
}
else if (mode == Mode.RotateZ)
{
double distance = Math.Sqrt(Math.Pow(mouseState.X - mouseX, 2) + Math.Pow((mouseState.Y - mouseY), 2));
selectedModel.RotateZ((int)(oldRotate.Z - distance));
}
return;
}
float scale = 1.0f;
float dx = 0;
float dy = 0;
if (keyState.IsKeyDown(Keys.Right)) // Rotate camera left/right
deltaAngleY = 0.05f * timeStep;
if (keyState.IsKeyDown(Keys.Left))
deltaAngleY = -0.05f * timeStep;
if (keyState.IsKeyDown(Keys.Up)) // Scale camera
scale -= 0.025f * timeStep;
if (keyState.IsKeyDown(Keys.Down))
scale += 0.025f * timeStep;
/*
if (keyState.IsKeyDown(Keys.W)) // Pan camera
dy += 0.05f * timeStep;
if (keyState.IsKeyDown(Keys.S))
dy -= 0.05f * timeStep;
if (keyState.IsKeyDown(Keys.A))
dx -= 0.05f * timeStep;
if (keyState.IsKeyDown(Keys.D))
dx += 0.05f * timeStep;
*/
if (keyState.IsKeyDown(Keys.G))
{
if (selectedModel == null) return;
mode = Mode.Translate;
mouseX = mouseState.X;
oldTrans = selectedModel.translate;
oldScale = selectedModel.scale;
oldRotate = selectedModel.rotate;
}
if (keyState.IsKeyDown(Keys.S))
{
if (selectedModel == null) return;
mode = Mode.ScaleX;
mouseX = mouseState.X;
mouseY = mouseState.Y;
oldTrans = selectedModel.translate;
oldScale = selectedModel.scale;
oldRotate = selectedModel.rotate;
}
if (keyState.IsKeyDown(Keys.R))
{
if (selectedModel == null) return;
mode = Mode.Rotate;
mouseX = mouseState.X;
mouseY = mouseState.Y;
oldTrans = selectedModel.translate;
oldScale = selectedModel.scale;
oldRotate = selectedModel.rotate;
}
if (keyState.IsKeyDown(Keys.LeftAlt) && keyState.IsKeyDown(Keys.H))
{
foreach (Model3D m in models)
m.visible = true;
}
else if (keyState.IsKeyDown(Keys.H))
{
if (selectedModel == null) return;
selectedModel.visible = false;
}
if (keyState.IsKeyDown(Keys.LeftShift) && keyState.IsKeyDown(Keys.X))
{
if (selectedModel == null) return;
int i = models.IndexOf(selectedModel);
models.RemoveAt(i);
parentForm.models.RemoveAt(i);
parentForm.modelList.Items.RemoveAt(i);
selectedModel = null;
}
if (keyState.IsKeyDown(Keys.LeftShift) && keyState.IsKeyDown(Keys.A))
{
parentForm.LoadModel();
}
if (keyState.IsKeyDown(Keys.LeftControl) && keyState.IsKeyDown(Keys.E))
{
parentForm.Export();
}
if (keyState.IsKeyDown(Keys.LeftControl) && keyState.IsKeyDown(Keys.I))
{
parentForm.Import();
}
if (mouseState.RightButton == ButtonState.Pressed)
{
device.SetRenderTarget(renderTarget);
device.Clear(Color.Black);
int i = 1;
int x = mouseState.X;
int y = mouseState.Y;
Effect e = Content.Load<Effect>("Target");
foreach (Model3D m in models)
{
m.model.Meshes[0].MeshParts[0].Effect = e;
ModelMesh mesh = m.model.Meshes[0];
Matrix[] transforms = new Matrix[m.model.Bones.Count];
m.model.CopyAbsoluteBoneTransformsTo(transforms);
e.CurrentTechnique = e.Techniques["Target"];
e.Parameters["World"].SetValue(m.GetWorld(mesh));
e.Parameters["View"].SetValue(camera.ViewMatrix);
e.Parameters["Projection"].SetValue(camera.ProjectionMatrix);
e.Parameters["Color"].SetValue(50.0f * i);
i++;
mesh.Draw();
m.model.Meshes[0].MeshParts[0].Effect = effect;
}
device.SetRenderTarget(null);
targetMap = renderTarget;
Color[] mapColors = new Color[targetMap.Width * targetMap.Height];
targetMap.GetData<Color>(mapColors);
if (mapColors[y * 600 + x].R > 0)
selectedModel = models[mapColors[y * 600 + x].B / 50 - 1];
}
camera.Eye += new Vector3(dx, dy, 0);
camera.Focus += new Vector3(dx, dy, 0);
camera.Eye = Vector3.Transform(camera.Eye, Matrix.CreateRotationY(deltaAngleY));
camera.Eye = Vector3.Transform(camera.Eye, Matrix.CreateScale(scale));
base.Update(gameTime);
}
