public static List <Vector2> CalcCircleCollisionPoints(float radius, float minLength)
{
float minTheta = MathsExt.CalcMinTheta(radius, minLength);
List <Vector2> relativeCollisionPoints = new List <Vector2>();
for (float theta = 0; theta <= 2 * Math.PI - minTheta; theta += minTheta)
{
relativeCollisionPoints.Add(Mechanics.VectorComponents(radius, theta));
}
return(relativeCollisionPoints);
}
public bool CheckArrowCollision(Wizard wizard)
{
if (MathsExt.isPointWithinCircle(Position + collisionPoint + RotationOffset, wizard.position, wizard._radius))
{
wizard.velocity += velocity;
InteractionManager.Damage(wizard, 15);
velocity = Vector2.Zero;
_collided = true;
return(true);
}
return(false);
}
private void Walking(Direction direction, SpriteEffects effect, int directionCoefficient, GameTime gameTime)
{
int walkingFrameRate = 10;
velocity.X = directionCoefficient * PLAYER_SPEED;
_State = ActiveState.Walking;
if (_Facing != direction)
{
_crosshair.crosshairAngle = (MathsExt.FlipAngle(_crosshair.crosshairAngle));
}
_Facing = direction;
_directionCoefficient = directionCoefficient;
spriteEffect = effect;
UpdateAnimationRectangle(_animator.GetAnimationFrames("Walking", walkingFrameRate, gameTime));
}
public void DeformLevel(int blastRadius, Vector2 blastPosition)
{
for (int x = 0; x < 2 * blastRadius; x++)
{
for (int y = 0; y < 2 * blastRadius; y++)
{
if (MathsExt.isWithinCircleInSquare(blastRadius, x, y) &&
blastPosition.X + x - blastRadius < _mapCollisionData.GetLength(0) - 1 &&
blastPosition.Y + y - blastRadius < _mapCollisionData.GetLength(1) - 1 &&
blastPosition.X + x - blastRadius >= 0 &&
blastPosition.Y + y - blastRadius >= 0)
{
_mapPixelData[((int)blastPosition.X + x - blastRadius) + ((int)blastPosition.Y + y - blastRadius) * _mapTexture.Width] = 0;
_mapCollisionData[(int)blastPosition.X + x - blastRadius, ((int)blastPosition.Y + y - blastRadius)] = false;
}
}
}
_mapTexture.SetData(_mapPixelData);
}
