public static float EvalAngular(float a, float b, float x, TweenType tween)
{
if (x < 0f)
{
x = 0f;
}
if (x > 1f)
{
x = 1f;
}
var diff = Mathx.AngleSubtract(b, a);
switch (tween)
{
case (TweenType.Linear):
return(a + diff * x);
case (TweenType.Accelerate):
//n = (x * x) * (1f - x);
//return a + diff * (n * n * n + x * x);
return(a + diff * (-(x * x * x) + 2 * x * x));
case (TweenType.Decelerate):
return(a + diff * (x * x - x * x * x + x));
case (TweenType.Smooth):
if (x > 0.5f)
{
return(a + diff * Eval(0.5f, 1f, (x - 0.5f) * 2f, TweenType.Decelerate));
}
return(a + diff * Eval(0f, 0.5f, x * 2f, TweenType.Accelerate));
}
return(0f);
}
public static Value Rand(Interpreter interpreter, SourceRef location, Value[] args, int argCount)
{
if (argCount > 1)
{
return(Mathx.GetRandom(args[0].VerifyType(Value.ValueType.Number, location).Number, args[1].VerifyType(Value.ValueType.Number, location).Number));
}
return(Mathx.GetRandom(0.0, args[0].VerifyType(Value.ValueType.Number, location).Number));
}
public static Value SetGlow(Interpreter interpreter, SourceRef location, Value[] args, int argCount)
{
var obj = interpreter.DynamicLocalConstants["this"].Object as Entity;
obj.Glow = (byte)Mathx.Clamp(
args[0].VerifyType(Value.ValueType.Number, location).Number,
0.0,
255.0
);
return(Value.Nil);
}
public void Fire()
{
if (Parent == null || Parent.Deleted || BulletDefinition == null || Count1 <= 0 || Count2 <= 0)
{
return;
}
switch (PatternType)
{
case (PatternType.Normal):
var angTotal = (float)(Count1 - 1) * (Angle2 / (float)Count1);
var angAdd = angTotal / (float)(Count1 - 1);
var speedAdd = (Speed2 - Speed1) / (float)(Math.Max(1, Count2 - 1));
var ang = Angle1 - angTotal / 2f;
for (var column = 0; column < Count1; column++)
{
var speed = Speed1;
var shootPos = Position + Parent.Position + new Vector2(
Mathx.DCos(ang) * Radius,
Mathx.DSin(ang) * Radius
);
for (var bullet = 0; bullet < Count2; bullet++)
{
if (PlayerTeam)
{
Bullet.PlayerBullet(shootPos, speed, ang + Angle3, BulletDefinition, Function);
}
else
{
new Bullet(shootPos, speed, ang + Angle3, BulletDefinition, Function);
}
speed += speedAdd;
}
ang += angAdd;
}
break;
}
}
public static Value Choose(Interpreter interpreter, SourceRef location, Value[] args, int argCount)
{
var arr = args[0].VerifyType(Value.ValueType.Array, location).Array;
return(arr[Mathx.GetRandom(arr.Count)]);
}
public override void Update()
{
base.Update();
if (Position.X < -Frame.Size.X / 2f + 2f)
{
Position = new Vector2(-Frame.Size.X / 2f + 2f, Position.Y);
}
if (Position.X > Frame.Size.X / 2f - 2f)
{
Position = new Vector2(Frame.Size.X / 2f - 2f, Position.Y);
}
if (Position.Y < 2f)
{
Position = new Vector2(Position.X, 2f);
}
if (Position.Y >= Frame.Size.Y - 2f)
{
Position = new Vector2(Position.X, Frame.Size.Y - 2f);
}
if (!Alive)
{
if (Engine.Time >= LastDeathTime + ReviveTime)
{
Alive = true;
Script.InvokeEntityEventTask(Object, "onPlayerRevive");
}
ShouldShoot = false;
}
else
{
ShouldShoot = Input.GetKeyPressed(Keys.Z);
}
if (ShouldShoot)
{
if (!LastShouldShoot)
{
Console.WriteLine("start shooting");
ShootTask = Script.InvokeEntityEventTask(this, "onPlayerShoot");
}
}
else
{
if (LastShouldShoot)
{
Console.WriteLine("stop shooting ");
if (ShootTask != null)
{
ShootTask.Stop();
}
}
}
Slow = !Input.GetKeyPressed(Keys.LeftShift);
var moveX = (Input.GetKeyPressed(Keys.Right) ? 1f : 0f) - (Input.GetKeyPressed(Keys.Left) ? 1f : 0f);
var moveY = (Input.GetKeyPressed(Keys.Down) ? 1f : 0f) - (Input.GetKeyPressed(Keys.Up) ? 1f : 0f);
if (moveX != 0f || moveY != 0f)
{
Angle = Mathx.DAtan2(moveY, moveX);
Speed = (Slow ? MoveSpeed : MoveSpeedSlow);
}
else
{
Speed = 0f;
}
if (moveX != 0f)
{
TurnAmount = Mathx.Clamp(TurnAmount + (double)Math.Sign(moveX) / TurnTimePlayer, -1.0, 1.0);
}
else
{
TurnAmount = Math.Max(
0.0,
Math.Abs(TurnAmount) - 1.0 / TurnTimePlayer
) * (double)Math.Sign(TurnAmount);
}
if (Alive)
{
foreach (var ent in Layer.Bullets.Entities)
{
if (ent.Destroyed)
{
continue;
}
var diffX = ent.Position.X - Position.X;
var diffY = ent.Position.Y - Position.Y;
var hitboxCombined = ent.HitboxRadius + HitboxRadiusPlayer;
if (diffX * diffX + diffY * diffY < hitboxCombined * hitboxCombined)
{
LastDeathTime = Engine.Time;
Alive = false;
Script.InvokeEntityEventTask(this, "onPlayerDie");
break;
}
}
}
LastShouldShoot = ShouldShoot;
}
public void GenerateRing(float radius, float thickness, float startAngle, float endAngle, int steps)
{
Begin();
var angAdd = (endAngle - startAngle) / (float)steps;
var cos = Mathx.DCos(startAngle);
var sin = Mathx.DSin(startAngle);
var lastPosOuter = new Vector3(
cos * (radius + thickness / 2f),
sin * (radius + thickness / 2f),
0f
);
var lastPosInner = new Vector3(
cos * (radius - thickness / 2f),
sin * (radius - thickness / 2f),
0f
);
var lastU = 0f;
float u, angle;
Vector3 posOuter, posInner;
for (angle = startAngle + angAdd; angle < endAngle; angle += angAdd)
{
cos = Mathx.DCos(angle);
sin = Mathx.DSin(angle);
u = (angle - startAngle) / (endAngle - startAngle);
posOuter = new Vector3(
cos * (radius + thickness / 2f),
sin * (radius + thickness / 2f),
0f
);
posInner = new Vector3(
cos * (radius - thickness / 2f),
sin * (radius - thickness / 2f),
0f
);
AddVertex(lastPosOuter, Color.White, new Vector2(lastU, 0f));
AddVertex(posOuter, Color.White, new Vector2(u, 0f));
AddVertex(lastPosInner, Color.White, new Vector2(lastU, 1f));
AddVertex(lastPosInner, Color.White, new Vector2(lastU, 1f));
AddVertex(posOuter, Color.White, new Vector2(u, 0f));
AddVertex(posInner, Color.White, new Vector2(u, 1f));
lastPosOuter = posOuter;
lastPosInner = posInner;
lastU = u;
}
angle = endAngle;
cos = Mathx.DCos(angle);
sin = Mathx.DSin(angle);
u = 1f;
posOuter = new Vector3(
cos * (radius + thickness / 2f),
sin * (radius + thickness / 2f),
0f
);
posInner = new Vector3(
cos * (radius - thickness / 2f),
sin * (radius - thickness / 2f),
0f
);
AddVertex(lastPosOuter, Color.White, new Vector2(lastU, 0f));
AddVertex(posOuter, Color.White, new Vector2(u, 0f));
AddVertex(lastPosInner, Color.White, new Vector2(lastU, 1f));
AddVertex(lastPosInner, Color.White, new Vector2(lastU, 1f));
AddVertex(posOuter, Color.White, new Vector2(u, 0f));
AddVertex(posInner, Color.White, new Vector2(u, 1f));
End();
}