/// <summary>
/// Main update protocol.
/// </summary>
/// <param name="step_time"></param>
/// <param name="p"></param>
/// <param name="world"></param>
private void updateParticle1(float step_time, Particle p, cWorld world)
{
// Particle's update code comes here.
p.Dims.X += p.ScaleSpeed * step_time; //+=
p.Dims.Y += p.ScaleSpeed * step_time; //+=
if (AppMath.Vec2Length(p.Dims) < 0.5f)
{
p.Dims.X = 0.0f;
p.Dims.Y = 0.0f;
}
p.Vel.Y += (Constants.GRAVITY * 40.0f * (step_time * step_time));
p.Vel.X *= p.SlowDown;
p.Vel.Y *= p.SlowDown;
AppMath.Vec2Truncate(ref p.Vel, p.MaxSpeed * 1.5f);
// world.collideParticleSAT(p, step_time, false);
//p.Heading = cAppMath.Vec2NormalizeReturn(p.Vel);
p.LastPos = p.Pos;
p.Pos.X += p.Vel.X * step_time;
p.Pos.Y += p.Vel.Y * step_time;
if (!AppMath.Vec2IsZero(p.Vel))
{
p.Heading = AppMath.Vec2NormalizeReturn(p.Vel);
p.Rotation = (float)AppMath.GetAngleOfVector(p.Heading);
}
world.collideParticleRayTrace(p, step_time);
p.Opacity -= p.Fade * step_time;
}
public override void Kill(cGameObject by)
{
this.Scene.LightMap.remove(this.p_followLight);
this.Scene.LightMap.remove(this.eye);
// this.spriteControl.ChangeState(new cSpriteState(MotionType.LIE, this.spriteControl.getCurrentState().HorizontalFacing));
this.health = 0;
this.killed = true;
// int y = AppRandom.Choose<int>(new[] { 1,-1});
this.Scene.QueueAction(() =>
{
Vector2f emitDirection = AppMath.Vec2NormalizeReturn(by.Velocity); // new Vector2f(0.0f, y);
float len = (float)AppMath.Vec2Length(this.Velocity);
float speed = len > 1.0f ? len : 0.0f;
ShakeScreen.Init(this.pscene.Camera.ActualPosition);
ShakeScreen.StartShake();
Scene.Assets.PlaySound("blood_hit2", 25, this.position);
//pscene.ParticleManager.Fireworks.NormalExplosion(new Particles.cEmissionInfo(this.Bounds.center, emitDirection));
var e = pscene.ParticleManager["explosions"] as cExplosionController;
e.NormalBlood(new EmissionInfo(this.Bounds.center, emitDirection, speed));
e.Line(new EmissionInfo(this.Bounds.center, emitDirection));
this.Scene.QueueAction(() =>
{
/*
* if (this.IsOnGround)
* {
* this.Scene.Effects.PlaceGround(this.Bounds.center.X, this.Bounds.rightBottom.Y, "side-explosion1");
* }
* else
*/
{
this.Scene.Effects.Place(this.Bounds.center, "simple-explosion3"); // flash-black
}
// this.Scene.Effects.Place(intersection, "fire1");
});
// e.FastBlood(new EmissionInfo(this.Bounds.center,new Vector2f(0.0f, 0.0f)));
//float gy = this.Bounds.rightBottom.Y; // ground y
//pscene.Effects.PlaceGround(this.Bounds.center.X, gy, "side-explosion1");
//pscene.EntityPool.getEntitiesInRadius()
// pscene.Effects.Place(this.bounds.center, "simple-explosion2");
}
);
this.Scene.QueueAction(() =>
{
Scene.Assets.PlaySound("coin_drop1", 20);
ProbabilityRoll <int> numPickables = new ProbabilityRoll <int>();
numPickables.add(70, 2);
numPickables.add(30, 3);
int num = numPickables.roll();
for (int i = 0; i < num; ++i)
{
pscene.EntityPool.AddPickup(
new cPickupAble(
this.Scene,
this.Bounds.center,
AppMath.GetRandomUnitVec(), // emitDirection,
PickupInfo.PickupType.COIN_GOLD)
);
}
});
/*
* new platformerGame.GameCommands.comPlacePickup(
* this.Scene,
* new GameObjects.cPickupAble(
* this.Scene,
* this.Scene.EntityPool.SpatialGrid,
* this.Bounds.center,
* emitDirection) )
*/
}
public override void Update(float step_time)
{
this.renderer.Update(step_time);
cPlayer player = Scene.Player;
if (this.pulling)
{
Vector2f predicted = AppMath.Vec2NormalizeReturn((player.Bounds.center + (player.Velocity * step_time)) - this.Bounds.center);
// pull pickup
//Vector2f toPlayer = cAppMath.Vec2NormalizeReturn(player.Bounds.center - this.Bounds.center);
// G * ((m1*m2) / (d*d))
float f = PULL_FORCE * 150f; // * (100000.0f / ( d*d) );
this.AddForce(predicted * f);
}
/*
* else
* {
* this.pulling = false;
* }
*/
// applying some gravity
force.Y += (false == pulling) ? (Constants.GRAVITY * 40.0f * step_time) : 0.0f;
velocity.X += force.X * step_time;
velocity.Y += force.Y * step_time;
//velocity.X = Math.Abs(velocity.X) < 0.05f ? 0.0f : velocity.X;
//velocity.Y = Math.Abs(velocity.Y) < 0.05f ? 0.0f : velocity.Y;
double len = AppMath.Vec2Length(velocity);
if (len < 0.1)
{
velocity = new Vector2f(0.0f, 0.0f);
}
AppMath.Vec2Truncate(ref velocity, MaxSpeed);
// get more precise result calling it here (because of the updated velocity)
// instead of calling at the beginning of this update method
checkCollisionWithWorld(step_time);
lastPosition = position;
position.X += velocity.X * step_time;
position.Y += velocity.Y * step_time;
Bounds.SetPosByCenter(position);
this.hitCollisionRect = Bounds;
if (!AppMath.Vec2IsZero(velocity))
{
heading = AppMath.Vec2NormalizeReturn(velocity);
orientation = AppMath.GetAngleOfVector(heading);
}
force = new Vector2f(0.0f, 0.0f);
}