|
|
using System.Collections.Generic;
using FarseerPhysics.Collision.Shapes;
using FarseerPhysics.Common;
using FarseerPhysics.Dynamics;
using FarseerPhysics.Factories;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
namespace FarseerPhysics.SamplesFramework
{
public class Pyramid
{
private Sprite _box;
private List<Body> _boxes;
private PhysicsGameScreen _screen;
public Pyramid(World world, PhysicsGameScreen screen, Vector2 position, int count, float density)
{
Vertices rect = PolygonTools.CreateRectangle(0.5f, 0.5f);
PolygonShape shape = new PolygonShape(rect, density);
Vector2 rowStart = position;
rowStart.Y -= 0.5f + count * 1.1f;
Vector2 deltaRow = new Vector2(-0.625f, 1.1f);
const float spacing = 1.25f;
_boxes = new List<Body>();
for (int i = 0; i < count; ++i)
{
Vector2 pos = rowStart;
for (int j = 0; j < i + 1; ++j)
{
Body body = BodyFactory.CreateBody(world);
body.BodyType = BodyType.Dynamic;
body.Position = pos;
body.CreateFixture(shape);
_boxes.Add(body);
pos.X += spacing;
}
rowStart += deltaRow;
}
_screen = screen;
//GFX
AssetCreator creator = _screen.ScreenManager.Assets;
_box = new Sprite(creator.TextureFromVertices(rect, MaterialType.Dots, Color.SaddleBrown, 2f));
}
public void Draw()
{
SpriteBatch batch = _screen.ScreenManager.SpriteBatch;
for (int i = 0; i < _boxes.Count; ++i)
{
batch.Draw(_box.Texture, ConvertUnits.ToDisplayUnits(_boxes[i].Position), null,
Color.White, _boxes[i].Rotation, _box.Origin, 1f, SpriteEffects.None, 0f);
}
}
}
}
|
By viewing downloads associated with this article you agree to the Terms of Service and the article's licence.
If a file you wish to view isn't highlighted, and is a text file (not binary), please
let us know and we'll add colourisation support for it.
Submit an article or tip