private static bool IsPollygonsIntersecting(PollygonCollider object1, PollygonCollider object2)
{
foreach (PollygonCollider collider in new PollygonCollider[] { object1, object2 })
{
for (int i1 = 0; i1 < collider.Points.Length; i1++)
{
int i2 = (i1 + 1) % collider.Points.Length;
Vector2 p1 = collider.GetActualPointPosition(i1);
Vector2 p2 = collider.GetActualPointPosition(i2);
Vector2 normal = new Vector2(p2.Y - p1.Y, p1.X - p2.X);
double minA = double.MaxValue, maxA = double.MinValue;
for (int index = 0; index < object1.Points.Length; index++)
{
var projected = normal.X * object1.GetActualPointPosition(index).X + normal.Y * object1.GetActualPointPosition(index).Y;
if (projected < minA)
{
minA = projected;
}
if (projected > maxA)
{
maxA = projected;
}
}
double minB = double.MaxValue, maxB = double.MinValue;
for (int index = 0; index < object2.Points.Length; index++)
{
var projected = normal.X * object2.GetActualPointPosition(index).X + normal.Y * object2.GetActualPointPosition(index).Y;
if (projected < minB)
{
minB = projected;
}
if (projected > maxB)
{
maxB = projected;
}
}
if (maxA < minB || maxB < minA)
{
return(false);
}
}
}
return(true);
}
public void Draw(GameTime gameTime)
{
Scenes.Level currLevel = GameplayManager.self.CurrLevel;
spriteBatch.Begin(SpriteSortMode.Deferred, BlendState.AlphaBlend);
foreach (object item in currLevel.items)
{
if (item is Room)
{
spriteBatch.Draw(((Room)item).texture, mainFrame, Color.White);
}
else if (item is Player)
{
spriteBatch.Draw(TextureManager.spriteSheet, ((Player)item).position, ((Player)item).spriteSource, Color.White, 0f, new Vector2(0, 0), 1f, (((Player)item).dir == -1) ? SpriteEffects.FlipHorizontally: SpriteEffects.None, 0.6f);
}
else if (item is Enemy)
{
spriteBatch.Draw(TextureManager.spriteSheet, ((Enemy)item).position, ((Enemy)item).spriteSource, ((Enemy)item).color, 0f, new Vector2(0, 0), 1f, (((Enemy)item).dir == -1) ? SpriteEffects.FlipHorizontally : SpriteEffects.None, 0.6f);
}
else if (item is Weapon)
{
spriteBatch.Draw(TextureManager.spriteSheet,
((Weapon)item).getRenderPosition(),
((Weapon)item).spriteSource,
Color.White,
(((Weapon)item).playerInstance.dir == 1) ? -((Weapon)item).rotation : ((Weapon)item).rotation,
new Vector2(0, ((Weapon)item).spriteSource.Height),
1f,
((Weapon)item).playerInstance.dir == 1 ? SpriteEffects.None : SpriteEffects.FlipHorizontally,
0.6f);
}
else if (item is Food)
{
spriteBatch.Draw(((Food)item).texture, ((Food)item).position, ((Food)item).spriteSource, Color.White);
}
else if (item is WaterFountain)
{
spriteBatch.Draw(TextureManager.spriteSheet, ((WaterFountain)item).position, ((WaterFountain)item).spriteSource, Color.White);
}
if (DRAW_COLLIDER && item is Physics.BoxCollider)
{
Rectangle box = ((Physics.BoxCollider)item).area;
int bw = 2;
spriteBatch.Draw(t, new Rectangle(box.Left, box.Top, bw, box.Height), Color.LightGreen); // Left
spriteBatch.Draw(t, new Rectangle(box.Right, box.Top, bw, box.Height), Color.LightGreen); // Right
spriteBatch.Draw(t, new Rectangle(box.Left, box.Top, box.Width, bw), Color.LightGreen); // Top
spriteBatch.Draw(t, new Rectangle(box.Left, box.Bottom, box.Width, bw), Color.LightGreen); // Bottom
}
else if (DRAW_COLLIDER && item is Physics.PollygonCollider)
{
Physics.PollygonCollider collider = (Physics.PollygonCollider)item;
for (int i = 1; i < collider.Points.Length; i++)
{
DrawLine(collider.GetActualPointPosition(i - 1), collider.GetActualPointPosition(i));
if (i == collider.Points.Length - 1)
{
DrawLine(collider.GetActualPointPosition(i), collider.GetActualPointPosition(0));
}
}
}
}
// Draw blood particles
Game1.self.bloodParticleEngine.Draw(spriteBatch);
if (currLevel.UIContainers.Count > 0)
{
currLevel.UIContainers.Peek().Draw(spriteBatch);
}
spriteBatch.Draw(TextureManager.cursorTexture, new Vector2(Mouse.GetState().X, Mouse.GetState().Y), Color.White);
spriteBatch.End();
}