public static EmitterSimple Knockout(RoomScene room, string spriteName, int posX, int posY, byte duration = 60)
{
int frame = Systems.timer.Frame;
// Prepare Emnitter
EmitterSimple emitter = EmitterSimple.NewEmitter(room, Systems.mapper.atlas[(byte)AtlasGroup.Objects], spriteName, new Vector2(posX, posY), new Vector2(0, 0), 0.5f, frame + duration, frame + duration - 25);
// Randomize Knockout Direction and Rotation
Vector2 randVelocity = new Vector2(
CalcRandom.FloatBetween(-4.5f, 4.5f),
CalcRandom.FloatBetween(-5f, -11f)
);
float rotSpeed = CalcRandom.FloatBetween(0.07f, 0.15f) * (CalcRandom.IntBetween(1, 100) >= 51 ? 1 : -1);
// Add Knockout Particle
emitter.AddParticle(
new Vector2(posX, posY),
randVelocity,
0,
rotSpeed
);
return(emitter);
}
public static EmitterSimple GravityParticle(RoomScene room, string spriteName, int posX, int posY, byte duration = 8, float ySpeed = -3f, float gravity = 0.5f)
{
int frame = Systems.timer.Frame;
EmitterSimple emitter = EmitterSimple.NewEmitter(room, Systems.mapper.atlas[(byte)AtlasGroup.Tiles], spriteName, new Vector2(posX, posY), new Vector2(0, 0), gravity, frame + duration, frame + duration, 1, 1);
emitter.AddParticle(new Vector2(posX, posY), new Vector2(0, ySpeed), 0, 0);
return(emitter);
}
public static EmitterSimple DirectionParticle(RoomScene room, string spriteName, int posX, int posY, byte duration = 8, float xSpeed = 0f, float ySpeed = 0f)
{
int frame = Systems.timer.Frame;
EmitterSimple emitter = EmitterSimple.NewEmitter(room, Systems.mapper.atlas[(byte)AtlasGroup.Objects], spriteName, new Vector2(posX, posY), new Vector2(0, 0), 0, frame + duration, frame + duration, 1, 1);
emitter.AddParticle(new Vector2(posX, posY), new Vector2(xSpeed, ySpeed), 0, 0);
return(emitter);
}
public static EmitterSimple AirPuff(RoomScene room, int posX, int posY, sbyte dirHor, sbyte dirVert, byte duration = 8)
{
int frame = Systems.timer.Frame;
// Readjust positions to adjust for midX and midY of AirPuff image.
posX -= 20;
posY -= 20;
float radian = Radians.GetRadiansByCardinalDir((sbyte)-dirHor, (sbyte)-dirVert);
// Get the Particle Directions based on Cardinal Steps from the original.
float rad1 = Radians.GetRadiansByCardinalDir((sbyte)-dirHor, (sbyte)-dirVert, -3);
float rad2 = Radians.GetRadiansByCardinalDir((sbyte)-dirHor, (sbyte)-dirVert, 3);
float xOffset = Radians.GetXOffsetFromRotation(radian, 15, -15);
float xOffset2 = Radians.GetXOffsetFromRotation(radian, 15, 15);
float yOffset = Radians.GetYOffsetFromRotation(radian, 15, -15);
float yOffset2 = Radians.GetYOffsetFromRotation(radian, 15, 15);
EmitterSimple emitter = EmitterSimple.NewEmitter(room, Systems.mapper.atlas[(byte)AtlasGroup.Objects], "Particles/AirPuff", new Vector2(posX, posY), new Vector2(0, 0), 0f, frame + duration, frame + duration - 25);
// Launch First Particle
emitter.AddParticle(
new Vector2(
posX + xOffset,
posY + yOffset
),
new Vector2(
dirHor * -1.5f + (xOffset / 16),
dirVert * -1.5f + (yOffset / 16)
),
rad1 - 0.5f,
0f
);
// Launch Second Particle
emitter.AddParticle(
new Vector2(
posX + xOffset2,
posY + yOffset2
),
new Vector2(
dirHor * -1.5f + (xOffset2 / 16),
dirVert * -1.5f + (yOffset2 / 16)
),
rad2 + 0.5f,
0f
);
return(emitter);
}
public static EmitterSimple BoxExplosion(RoomScene room, string spriteName, int posX, int posY, sbyte xSpread = 3, sbyte ySpread = 3, byte duration = 55)
{
int frame = Systems.timer.Frame;
EmitterSimple emitter = EmitterSimple.NewEmitter(room, Systems.mapper.atlas[(byte)AtlasGroup.Objects], spriteName, new Vector2(posX, posY), new Vector2(0, 0), 0.5f, frame + duration, frame + duration - 25);
float radianUpLeft = -1.82f; // -5, -20
float radianUpRight = -1.32f; // 5, -20
// Launch Up-Left Particle
emitter.AddParticle(
new Vector2(
posX - (int)Math.Floor(xSpread * CalcRandom.FloatBetween(0.5f, 2f)),
posY - (int)Math.Floor(ySpread * CalcRandom.FloatBetween(0.5f, 2f))
),
new Vector2(
CalcRandom.FloatBetween(-0.25f, -1.5f),
CalcRandom.FloatBetween(-9f, -13f)
),
radianUpLeft + CalcRandom.FloatBetween(-0.6f, 0.6f),
-0.08f + CalcRandom.FloatBetween(-0.12f, 0.12f)
);
// Launch Up-Right Particle
emitter.AddParticle(
new Vector2(
posX + (int)Math.Floor(xSpread * CalcRandom.FloatBetween(0.5f, 2f)),
posY - (int)Math.Floor(ySpread * CalcRandom.FloatBetween(0.5f, 2f))
),
new Vector2(
CalcRandom.FloatBetween(0.25f, 1.5f),
CalcRandom.FloatBetween(-9f, -13f)
),
radianUpRight + CalcRandom.FloatBetween(-0.6f, 0.6f),
0.08f + CalcRandom.FloatBetween(-0.12f, 0.12f)
);
// Launch Down-Left Particle
emitter.AddParticle(
new Vector2(
posX - (int)Math.Floor(xSpread * CalcRandom.FloatBetween(0.5f, 2f)),
posY + (int)Math.Floor(ySpread * CalcRandom.FloatBetween(0.5f, 2f))
),
new Vector2(
CalcRandom.FloatBetween(-0.25f, -1.5f),
CalcRandom.FloatBetween(-4f, -7f)
),
radianUpLeft + CalcRandom.FloatBetween(-0.6f, 0.6f),
-0.08f + CalcRandom.FloatBetween(-0.12f, 0.12f)
);
// Launch Down-Right Particle
emitter.AddParticle(
new Vector2(
posX + (int)Math.Floor(xSpread * CalcRandom.FloatBetween(0.5f, 2f)),
posY + (int)Math.Floor(ySpread * CalcRandom.FloatBetween(0.5f, 2f))
),
new Vector2(
CalcRandom.FloatBetween(0.25f, 1.5f),
CalcRandom.FloatBetween(-4f, -7f)
),
radianUpRight + CalcRandom.FloatBetween(-0.6f, 0.6f),
0.08f + CalcRandom.FloatBetween(-0.12f, 0.12f)
);
return(emitter);
}
