/// <summary>
/// Display the name label(s) of the models in screen space.
/// </summary>
public void DrawModelNames(Scene debugScene, Camera debugCamera)
{
spriteBatch.Begin();
// If the cursor is over a model, we'll draw its name.
Ray cursorRay = CalculateCursorRay(debugCamera.projection, debugCamera.view);
Matrix instanceMatrix = Matrix.Identity;
BoundingSphere bSphere;
foreach (Meteor.Resources.Model staticModel in debugScene.sceneModels.Values)
{
// Check for cursor picking intersection
if (RayIntersectsModel(cursorRay, staticModel, out instanceMatrix, out bSphere))
{
String foundMeshName = "Model";
foreach (String meshName in staticModel.MeshInstanceGroups.Keys)
{
foundMeshName = meshName;
break;
}
// Project from world space to screen space
Vector3 screenSpace = graphicsDevice.Viewport.Project(Vector3.Zero, debugCamera.projection,
debugCamera.view, instanceMatrix);
// we want to draw the text a little bit above that, so we'll use the screen space position.
Vector2 textPosition =
new Vector2((int)screenSpace.X, (int)screenSpace.Y - 60);
// Calculate string's center and draw using that as the origin.
Vector2 stringCenter =
font.MeasureString(foundMeshName) / 2;
spriteBatch.Draw(nullTexture,
new Vector2(textPosition.X - stringCenter.X - 8, textPosition.Y - (int)stringCenter.Y - 2),
new Rectangle(
(int)(textPosition.X - stringCenter.X - 8), (int)(textPosition.Y - (int)stringCenter.Y - 2),
(int)(stringCenter.X * 2 + 16), font.LineSpacing + 4),
new Color(0, 0, 0, 120));
// first draw the shadow...
Vector2 shadowOffset = new Vector2(1, 1);
spriteBatch.DrawString(font, foundMeshName,
textPosition + shadowOffset, Color.Black, 0.0f,
stringCenter, 1.0f, SpriteEffects.None, 0.0f);
// ...and then the real text on top.
spriteBatch.DrawString(font, foundMeshName,
textPosition, Color.White, 0.0f,
stringCenter, 1.0f, SpriteEffects.None, 0.0f);
// Add debug shapes around the highlighted object
ShapeRenderer.AddBoundingSphere(bSphere, Color.LawnGreen);
ShapeRenderer.Draw(debugCamera.view, debugCamera.projection);
// We can stop here if just one model is needed.
//break;
}
}
spriteBatch.End();
}
