private CollisionInfo GetBoxOverlap(Box other)
{
Vec2 circlePoint = new Vec2(Mathf.Clamp(position.x, other.x - other.halfWidth, other.x + other.halfWidth),
Mathf.Clamp(position.y, other.y - other.halfHeight, other.y + other.halfHeight));
Vec2 distance = circlePoint - this.position;
if (distance.Length() < radius)
{
return(new CollisionInfo(distance.NewNormalized(), -(radius - distance.Length()), true));
}
return(null);
}
private void PlayerAnimation(byte currentAnimation)
{
//Animation
_timePassed += Time.deltaTime;
if (_velocity.Length() > 1)
{
_animationSpeed = 1 + (Time.time / 70 % 10);
}
currentFrame = (int)_animationSpeed;
//Rotation
float tempDeltaAngle = 0;
float temp = 0;
tempDeltaAngle = _velocity.GetAngleDegrees() - rotation % 360;
if (tempDeltaAngle % 360 < -6 || tempDeltaAngle % 360 > 6)
{
if (tempDeltaAngle % 360 < 0)
{
temp = -6;
}
else
{
temp = 6;
}
if (Math.Abs(tempDeltaAngle % 360) > 180)
{
temp = 0 - temp;
}
rotation += temp;
}
else if (tempDeltaAngle >= -6 && tempDeltaAngle <= -1)
{
rotation -= 0.75f;
}
else if (tempDeltaAngle <= 6 && tempDeltaAngle > 1)
{
rotation += 0.75f;
}
}
private void EulerIntegration()
{
_oldPosition = Position;
_velocity += _acceleration;
if (_velocity.Length() > _maxSpeed)
{
_velocity.Normalize();
_velocity *= _maxSpeed;
}
Position += _velocity;
SetXY(Position.x, Position.y);
}
public static void UnitTest()
{
Vec2 testVec = new Vec2(2, 4);
Vec2 testVec2 = new Vec2(3, 4);
float tempFloat = 0;
Vec2 temp = testVec + testVec2;
Console.WriteLine("Addition correct?: " + (Math.Abs(temp.x - 5) < 0.01f && Math.Abs(temp.y - 8) < 0.01f));
temp = testVec - testVec2;
Console.WriteLine("Substraction correct?: " + (Math.Abs(temp.x + 1) < 0.01f && Math.Abs(temp.y) < 0.01f));
temp = 2 * testVec;
Console.WriteLine("Multiplication on left correct?: " + (Math.Abs(temp.x - 4) < 0.01f && Math.Abs(temp.y - 8) < 0.01f));
temp = testVec * 2;
Console.WriteLine("Multiplication on right correct?: " + (Math.Abs(temp.x - 4) < 0.01f && Math.Abs(temp.y - 8) < 0.01f));
tempFloat = testVec2.Length();
Console.WriteLine("Length correct?: " + (Math.Abs(tempFloat - 5) < 0.01f));
testVec2.Normalize();
Console.WriteLine("Normalize correct?: " + (Math.Abs(testVec2.Length() - 1) < 0.01f && Math.Abs(testVec2.x - 0.6f) < 0.01f && Math.Abs(testVec2.y - 0.8f) < 0.01f));
testVec2 = new Vec2(3, 4);
temp = testVec2.Normalized();
Console.WriteLine("Normalized correct?: " + (Math.Abs(temp.Length() - 1) < 0.01f && Math.Abs(temp.x - 0.6f) < 0.01f && Math.Abs(temp.y - 0.8f) < 0.01f));
testVec.SetXY(15, 2);
Console.WriteLine("SetXY correct?: " + (Math.Abs(testVec.x - 15) < 0.01f && Math.Abs(testVec.y - 2) < 0.01f));
Console.WriteLine("Deg2Rad correct?: " + (Math.Abs(Deg2Rad(180) - Math.PI) < 0.01f));
Console.WriteLine("Rad2Deg correct?: " + (Math.Abs(Rad2Deg((float)Math.PI) - 180) < 0.01f));
testVec = GetUnitVectorDeg(180);
Console.WriteLine("GetUnitVectorDeg correct?: " + (Math.Abs(testVec.x + 1) < 0.01f && Math.Abs(testVec.y) < 0.01f));
testVec = GetUnitVectorRad((float)Math.PI);
Console.WriteLine("GetUnitVectorRad correct?: " + (Math.Abs(testVec.x + 1) < 0.01f && Math.Abs(testVec.y) < 0.01f));
Console.WriteLine("RandomUnitVector correct?: " + (Math.Abs(RandomUnitVector().Length() - 1) < 0.01f));
testVec = RandomUnitVector();
testVec.SetAngleDegrees(270);
Console.WriteLine("SetAngleDegrees correct?: " + (Math.Abs(testVec.y + 1) < 0.01f && Math.Abs(testVec.x) < 0.01f));
Console.WriteLine("GetAngleDegrees correct?: " + (Math.Abs(testVec.GetAngleDegrees() - 270) < 0.01f));
testVec.SetAngleRadians((float)Math.PI);
Console.WriteLine("SetAngleRadians correct?: " + (Math.Abs(testVec.x + 1) < 0.01f && Math.Abs(testVec.y) < 0.01f));
Console.WriteLine("GetAngleRadians correct?: " + (Math.Abs(testVec.GetAngleRadians() - Math.PI) < 0.01f));
testVec.RotateDegrees(90);
Console.WriteLine("RotateDegrees correct?: " + (Math.Abs(testVec.GetAngleDegrees() - 270) < 0.01f));
testVec = RandomUnitVector();
testVec.SetAngleDegrees(180);
testVec.RotateRadians((float)Math.PI / 2);
Console.WriteLine("RotateRadians correct?: " + (Math.Abs(testVec.GetAngleRadians() - (3 * Math.PI) / 2) < 0.01f));
testVec = new Vec2(2, 4);
testVec2 = new Vec2(3, 4);
Console.WriteLine("Dot correct?: " + ((testVec.Dot(testVec2) - 22) < 0.01f));
Vec2 testVecNormal = testVec2.Normal();
Console.WriteLine("Normal correct?: " + (Math.Abs(testVecNormal.x + 0.8f) < 0.01f && Math.Abs(testVecNormal.y - 0.6f) < 0.01f && Math.Abs(testVecNormal.Length() - 1) < 0.01f));
testVec.Reflect(1, testVec2);
Console.WriteLine("Reflect correct?: " + (Math.Abs(testVec.x - 3.28f) < 0.01f && Math.Abs(testVec.y - 3.04f) < 0.01f));
}
