public void applyPhysics(Map map, Player player, Enemy[] enemies, GameTime gametime)
{
float x = 1.5f;
player.Speed += new Vector2(0, 0.15f * x);
mapCollisionPlayer(map, player);
foreach (Enemy e in enemies)
{
e.Speed += new Vector2(0, 0.15f * x);
if (e.IsAlive && e.IsOnScreen)
{
mapCollisionEnemy(map, e);
}
}
}
private void mapCollisionEnemy(Map map, Enemy enemy)
{
Vector2 moveAmount = enemy.Speed;
//foreach (Tile tile in tileList)
//{
// moveAmount = horizontalCollisionTest(moveAmount, player, tile);
// moveAmount = verticalCollisionTest(moveAmount, player, tile);
//}
moveAmount = horizontalCollisionTest(moveAmount, enemy, map);
moveAmount = verticalCollisionTestEnemy(moveAmount, enemy, map);
Vector2 newPosition = enemy.Position + moveAmount;
newPosition = new Vector2(
MathHelper.Clamp(newPosition.X, 0,
map.WidthInPixel - enemy.collisionRect.Width),
MathHelper.Clamp(newPosition.Y, 2 * (map.TileHeight),
map.HeightInPixel - enemy.collisionRect.Height));
enemy.Position = newPosition;
}
public void synchEnemies(Enemy[] enemies, GameTime gameTime, Rectangle clientBounds)
{
foreach (Enemy e in enemies)
e.PositionOffsetX = -(int)mapOffset.X;
}
private void initializeEnemy()
{
Texture2D enemyTex;
Vector2 enemyPosition;
Point enemyFrameSize;
Point enemyCurrentFrame;
Point enemySheetSize;
Vector2 enemySpeed;
enemyTex = Content.Load<Texture2D>(@"Images\gegner");
enemyPosition = new Vector2(Window.ClientBounds.Width / 2, Window.ClientBounds.Height / 4);
enemyFrameSize = new Point(40, 48);
enemyCurrentFrame = new Point(0, 0);
enemySheetSize = new Point(2, 1);
enemySpeed = new Vector2(1, 0);
enemies[0] = new Enemy(enemyTex, enemyPosition, enemyFrameSize, 0, enemyCurrentFrame, enemySheetSize, enemySpeed, 250);
enemyTex = Content.Load<Texture2D>(@"Images\gegner");
enemyPosition = new Vector2(Window.ClientBounds.Width / 2, Window.ClientBounds.Height / 2);
enemyFrameSize = new Point(40, 48);
enemyCurrentFrame = new Point(0, 0);
enemySheetSize = new Point(2, 1);
enemySpeed = new Vector2(2, 0);
enemies[1] = new Enemy(enemyTex, enemyPosition, enemyFrameSize, 0, enemyCurrentFrame, enemySheetSize, enemySpeed, 500);
}
private Vector2 verticalCollisionTestEnemy(Vector2 moveAmount, Enemy player, Map map)
{
if (moveAmount.Y == 0)
return moveAmount;
Rectangle afterMoveRect = player.collisionRect;
afterMoveRect.Offset((int)moveAmount.X, (int)moveAmount.Y);
Vector2 corner1, corner2;
if (moveAmount.Y < 0)
{
corner1 = new Vector2(afterMoveRect.Left + 1,
afterMoveRect.Top);
corner2 = new Vector2(afterMoveRect.Right - 1,
afterMoveRect.Top);
}
else
{
corner1 = new Vector2(afterMoveRect.Left + 1,
afterMoveRect.Bottom);
corner2 = new Vector2(afterMoveRect.Right - 1,
afterMoveRect.Bottom);
}
Tile mapCell1 = map.getTile((int)(corner1.X / map.TileHeight), (int)(corner1.Y / map.TileWidth));
Tile mapCell2 = map.getTile((int)(corner2.X / map.TileHeight), (int)(corner2.Y / map.TileWidth));
if ((!mapCell1.IsBackground && !mapCell1.IsDestructible) ||
(!mapCell2.IsBackground && !mapCell2.IsDestructible))
{
//if (moveAmount.Y > 0)
// player.IsOnGround = true;
moveAmount.Y = 0;
player.Speed = new Vector2(player.Speed.X, 0);
}
return moveAmount;
}