public Ball(PhysicsBody physicsBody)
{
m_physicsBody = physicsBody;
this.TextureInfo = new TextureInfo(new Texture2D("Application/images/ball.png", false));
this.Scale = this.TextureInfo.TextureSizef;
this.Pivot = new Sce.PlayStation.Core.Vector2(0.5f, 0.5f);
this.Position = new Sce.PlayStation.Core.Vector2(
Director.Instance.GL.Context.GetViewport().Width / 2 - Scale.X / 2,
Director.Instance.GL.Context.GetViewport().Height / 2 - Scale.Y / 2);
//Right angles are exceedingly boring, so make sure we dont start on one
//So if our Random angle is between 90 +- 25 degrees or 270 +- 25 degrees
//we add 25 degree to value, ie, making 90 into 115 instead
System.Random rand = new System.Random();
float angle = (float)rand.Next(0, 360);
if ((angle % 90) <= 25)
{
angle += 25.0f;
}
this.m_physicsBody.Velocity = new Vector2(0.0f, BALL_VELOCITY).Rotate(PhysicsUtility.GetRadian(angle));
Scheduler.Instance.ScheduleUpdateForTarget(this, 0, false);
}
private void ResetBall()
{
//Move ball to screen center and release in a random directory
m_physics.SceneBodies[(int)PongPhysics.BODIES.Ball].Position =
new Vector2(Director.Instance.GL.Context.GetViewport().Width / 2.0f,
Director.Instance.GL.Context.GetViewport().Height / 2.0f) / PongPhysics.PtoM;
System.Random rand = new System.Random();
float angle = (float)rand.Next(0, 360);
if ((angle % 90) <= 15)
{
angle += 15.0f;
}
m_physics.SceneBodies[(int)PongPhysics.BODIES.Ball].Velocity =
new Vector2(0.0f, 5.0f).Rotate(PhysicsUtility.GetRadian(angle));
}
