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4. Game #3, CometCrusher > Time for action — creating some explosions
- To spawn an explosion, create an method called
SpawnExplosion. The parameters will be the particle amount, and the center position of the explosion.Method SpawnExplosion:Int(c:Int, xp:Float, yp:Float)
- Add a FOR loop from
1to the amount of particles.For Local i:Int = 1 To c
- Create a local object of the particle from the sprite atlas.
Local explo:ftObject = eng.CreateImage(atlas, 0,112,16,16, xp, yp)
- Scale and rotate it randomly.
explo.SetScale(Rnd(3,15)/10) explo.SetAngle(Rnd(0,359))
- Add a random spin and speed.
explo.SetSpin(Rnd(-4,4)) explo.SetSpeed(Rnd(1,2))
- Reset the layer to
layerFXand create an object timer with the IDtmObjRemoveto remove the particle after a random time between100to2000milliseconds.explo.SetLayer(layerFX) eng.CreateObjTimer(explo, tmObjRemove, Rnd(100,2000))
