void AddBall()
{
int idx = (CCRandom.Float_0_1() > .5 ? 0 : 1);
int idy = (CCRandom.Float_0_1() > .5 ? 0 : 1);
var sprite = new CCPhysicsSprite(ballTexture, new CCRect(32 * idx, 32 * idy, 32, 32), PTM_RATIO);
ballsBatch.AddChild(sprite);
CCPoint p = GetRandomPosition(sprite.ContentSize);
sprite.Position = new CCPoint(p.X, p.Y);
var def = new b2BodyDef();
def.position = new b2Vec2(p.X / PTM_RATIO, p.Y / PTM_RATIO);
def.linearVelocity = new b2Vec2(0.0f, -1.0f);
def.type = b2BodyType.b2_dynamicBody;
b2Body body = world.CreateBody(def);
var circle = new b2CircleShape();
circle.Radius = 0.5f;
var fd = new b2FixtureDef();
fd.shape = circle;
fd.density = 1f;
fd.restitution = 0.85f;
fd.friction = 0f;
body.CreateFixture(fd);
sprite.PhysicsBody = body;
Console.WriteLine("sprite batch node count = {0}", ballsBatch.ChildrenCount);
}
void ShootBullet(CCSprite enemySprite)
{
if (ballsBatch.ChildrenCount < MAX_NUM_BALLS)
{
int idx = (CCRandom.Float_0_1() > .5 ? 0 : 1);
int idy = (CCRandom.Float_0_1() > .5 ? 0 : 1);
var sprite = new CCPhysicsSprite(ballTexture, new CCRect(32 * idx, 32 * idy, 32, 32), PTM_RATIO);
ballsBatch.AddChild(sprite);
//CCPoint p = GetRandomPosition (sprite.ContentSize);
sprite.Position = enemySprite.Position; // new CCPoint (p.X, p.Y);
var def = new b2BodyDef();
def.position = new b2Vec2(sprite.Position.X / PTM_RATIO, sprite.Position.Y / PTM_RATIO);
Random rand = new Random();
/*if(rand.Next (100) < 50)
* def.linearVelocity = new b2Vec2 (-10.0f, 0.0f);
* else
* def.linearVelocity = new b2Vec2 (10.0f, 0.0f);*/
def.linearVelocity = new b2Vec2(0.0f, -1.0f);
def.type = b2BodyType.b2_dynamicBody;
b2Body body = world.CreateBody(def);
var circle = new b2CircleShape();
circle.Radius = 0.5f;
var fd = new b2FixtureDef();
fd.shape = circle;
fd.density = 1f;
fd.restitution = 0.85f;
fd.friction = 0f;
body.CreateFixture(fd);
sprite.PhysicsBody = body;
}
}
void AddBall()
{
var contentScale = contentScaleFactorX < contentScaleFactorY ? contentScaleFactorX : contentScaleFactorY; //use the smaller scale if they are not equal
if (ballsBatch.ChildrenCount < MAX_NUM_BALLS)
{
int idx = (CCRandom.Float_0_1() > .5 ? 0 : 1);
int idy = (CCRandom.Float_0_1() > .5 ? 0 : 1);
var ballSprite = new CCPhysicsSprite(ballTexture, new CCRect(32 * idx, 32 * idy, 32, 32), PTM_RATIO);
ballSprite.Scale = contentScale;
ballsBatch.AddChild(ballSprite);
CCPoint p = GetRandomPosition(ballSprite.ContentSize);
ballSprite.Position = new CCPoint(p.X, p.Y);
var def = new b2BodyDef();
def.position = new b2Vec2(p.X / PTM_RATIO, p.Y / PTM_RATIO);
def.linearVelocity = new b2Vec2(0.0f, -1.0f);
def.type = b2BodyType.b2_dynamicBody;
b2Body body = world.CreateBody(def);
var circle = new b2CircleShape();
circle.Radius = 0.5f * contentScale;
var fd = new b2FixtureDef();
fd.shape = circle;
fd.density = 1f;
fd.restitution = 0.85f;
fd.friction = 0f;
body.CreateFixture(fd);
ballSprite.PhysicsBody = body;
}
}
void AddBall()
{
if (ballsBatch.ChildrenCount < MAX_NUM_BALLS) {
int idx = (CCRandom.Float_0_1 () > .5 ? 0 : 1);
int idy = (CCRandom.Float_0_1 () > .5 ? 0 : 1);
var sprite = new CCPhysicsSprite (ballTexture, new CCRect (32 * idx, 32 * idy, 32, 32), PTM_RATIO);
ballsBatch.AddChild (sprite);
CCPoint p = GetRandomPosition (sprite.ContentSize);
sprite.Position = new CCPoint (p.X, p.Y);
var def = new b2BodyDef ();
def.position = new b2Vec2 (p.X / PTM_RATIO, p.Y / PTM_RATIO);
def.linearVelocity = new b2Vec2 (0.0f, -1.0f);
def.type = b2BodyType.b2_dynamicBody;
b2Body body = world.CreateBody (def);
var circle = new b2CircleShape ();
circle.Radius = 0.5f;
var fd = new b2FixtureDef ();
fd.shape = circle;
fd.density = 1f;
fd.restitution = 0.85f;
fd.friction = 0f;
body.CreateFixture (fd);
sprite.PhysicsBody = body;
}
}