public static void CollisionCheck(ref SquareFace SF, int index)
{
float push = 0.1f;
//check collisions with all other squarefaces - expensive!
for (int g = 0; g < Size; g++)
{
if (index == g)
{
continue;
} //skip self intersection check
if (SF.Face[0].Intersects(SquareFaces[g].Face[0]))
{
//push left/right
if (SF.Position.X < SquareFaces[g].Position.X)
{
SF.Position.X -= push;
}
else
{
SF.Position.X += push;
}
//push up/down
if (SF.Position.Y < SquareFaces[g].Position.Y)
{
SF.Position.Y -= push;
}
else
{
SF.Position.Y += push;
}
}
}
}
public static void Update()
{
for (int i = 0; i < Size; i++)
{
SquareFace SF = SquareFaces[i];
Animate(ref SF);
CollisionCheck(ref SF, i);
SquareFaces[i] = SF;
}
}
public static void Animate(ref SquareFace SF)
{
//apply gravity
SF.Velocity.Y += Gravity.Y;
SF.Velocity.X += Gravity.X;
//apply physics
SF.Velocity.X *= 0.90f;
SF.Velocity.Y *= 0.90f;
//apply velocity to position
SF.Position.X += SF.Velocity.X;
SF.Position.Y += SF.Velocity.Y;
//animate position
SF.Timeline++;
if (SF.Timeline == 10)
{
SF.Position.Y--;
}
else if (SF.Timeline == 20)
{
SF.Position.Y++;
}
else if (SF.Timeline >= 30)
{
SF.Timeline = 0;
SF.Velocity.X += Data.Rand.Next(-2, 3);
}
//place skin and eyes at location
SF.Face[0] = new Rectangle((int)SF.Position.X + 0, (int)SF.Position.Y + 0, SF.FaceSize.X, SF.FaceSize.Y);
SF.Face[1] = new Rectangle((int)SF.Position.X + 2, (int)SF.Position.Y + 4, SF.EyeSize.X, SF.EyeSize.Y);
SF.Face[2] = new Rectangle((int)SF.Position.X + 8, (int)SF.Position.Y + 4, SF.EyeSize.X, SF.EyeSize.Y);
SF.Face[3] = new Rectangle((int)SF.Position.X - 3, (int)SF.Position.Y + SF.FaceSize.Y, SF.FaceSize.X + 6, 2);
SF.Face[4] = new Rectangle((int)SF.Position.X + 2, (int)SF.Position.Y - 2, 8, 3); //hat
//sort back to front
SF.Layer = 1.00000f - ((SF.Position.Y + SF.FaceSize.Y) * 0.00001f);
//blink on timer
SF.BlinkCounter++;
if (SF.BlinkCounter >= 230)
{
SF.Face[1] = new Rectangle((int)SF.Position.X + 2, (int)SF.Position.Y + 4, SF.EyeSize.X, 1);
SF.Face[2] = new Rectangle((int)SF.Position.X + 8, (int)SF.Position.Y + 4, SF.EyeSize.X, 1);
SF.Color_Eyes = Color.Black;
}
else
{
SF.Color_Eyes = Color.White;
}
}
public static void CollisionCheck(ref SquareFace SF, int index)
{
float push = 0.1f;
//check collisions with all other squarefaces - expensive!
for (int g = 0; g < Size; g++)
{
if (index == g)
{
continue;
} //skip self intersection check
if (SF.Face[0].Intersects(SquareFaces[g].Face[0]))
{
//push left/right
if (SF.Position.X < SquareFaces[g].Position.X)
{
SF.Velocity.X -= push;
}
else
{
SF.Velocity.X += push;
}
//push up/down
if (SF.Position.Y < SquareFaces[g].Position.Y)
{
SF.Velocity.Y -= push;
}
else
{
SF.Velocity.Y += push;
}
}
}
//check against screen bounds
if (SF.Position.X + SF.Face[0].Width >= Data.GDM.PreferredBackBufferWidth)
{
SF.Velocity.X = -1f;
}
else if (SF.Position.X <= 0)
{
SF.Velocity.X = 1f;
}
if (SF.Position.Y + SF.Face[0].Height >= Data.GDM.PreferredBackBufferHeight)
{
SF.Velocity.Y = -1f;
}
else if (SF.Position.Y <= 0)
{
SF.Velocity.Y = 1f;
}
}
public static void CollisionCheck(ref SquareFace SF, int index)
{
//check collisions with all other squarefaces - expensive!
for (int g = 0; g < Size; g++)
{
if (index == g)
{
continue;
} //skip self intersection check
if (SF.Face[0].Intersects(SquareFaces[g].Face[0]))
{
//weird shit ahead, brace yourself
Point CenterA = SF.Face[0].Center;
Point CenterB = SquareFaces[g].Face[0].Center;
SF.Velocity.X *= 0.5f;
SF.Velocity.Y *= 0.5f;
SF.Velocity.X += (CenterA.X - CenterB.X) * 0.03f;
SF.Velocity.Y += (CenterA.Y - CenterB.Y) * 0.03f;
SF.Velocity.X += SquareFaces[g].Velocity.X * 0.01f;
SF.Velocity.Y += SquareFaces[g].Velocity.Y * 0.01f;
SF.Velocity.X -= Gravity.X * 0.5f;
SF.Velocity.Y -= Gravity.Y * 0.5f;
}
}
//check against x screen bounds
if (SF.Position.X + SF.Face[0].Width >= Data.GDM.PreferredBackBufferWidth)
{
SF.Velocity.X = -1f; SF.Position.X = Data.GDM.PreferredBackBufferWidth - SF.Face[0].Width;
}
else if (SF.Position.X <= 0)
{
SF.Velocity.X = 1f;
}
//check against y screen bounds
if (SF.Position.Y + SF.Face[0].Height >= Data.GDM.PreferredBackBufferHeight)
{
SF.Velocity.Y = -1f; SF.Position.Y = Data.GDM.PreferredBackBufferHeight - SF.Face[0].Height;
}
else if (SF.Position.Y <= 0)
{
SF.Velocity.Y = 1f; SF.Position.Y = 0;
}
}
public static void Randomize()
{ //randomize placement of square faces
for (int i = 0; i < Size; i++)
{
//spread wide across screen
//SquareFaces[i].Position.X = Data.Rand.Next(10, Data.GDM.PreferredBackBufferWidth - 20);
//SquareFaces[i].Position.Y = Data.Rand.Next(10, Data.GDM.PreferredBackBufferHeight - 20);
//concentrate in center
SquareFace SF = SquareFaces[i];
SF.Position.X = Data.GDM.PreferredBackBufferWidth / 2 + Data.Rand.Next(-5, 6);
SF.Position.Y = Data.GDM.PreferredBackBufferHeight / 2 + Data.Rand.Next(-5, 6);
SquareFaces[i] = SF;
}
}
public static void Update()
{
for (int i = 0; i < Size; i++)
{
SquareFace SF = SquareFaces[i];
Animate(ref SF);
CollisionCheck(ref SF, i);
SquareFaces[i] = SF;
}
float force = 1.0f;
//alternate gravity on timer
GravityCounter++;
if (GravityCounter < 60 * 3)
{
Gravity.X = 0.0f;
Gravity.Y = force;
}
else if (GravityCounter < 60 * 6)
{
Gravity.X = force;
Gravity.Y = 0.0f;
}
else if (GravityCounter < 60 * 9)
{
Gravity.X = 0.0f;
Gravity.Y = -force;
}
else if (GravityCounter < 60 * 12)
{
Gravity.X = -force;
Gravity.Y = 0.0f;
}
else
{
GravityCounter = 0;
}
}
public static SquareFace GetRandomSF()
{
SquareFace SF = new SquareFace();
//create face, then two eyes, one ground shadow, one hat
SF.Face = new Rectangle[5];
SF.FaceSize = new Point(Data.Rand.Next(10, 17), Data.Rand.Next(16, 22));
SF.EyeSize = new Point(Data.Rand.Next(2, 6), Data.Rand.Next(2, 6));
//choose width and height
Rectangle skin = new Rectangle(0, 0, SF.FaceSize.X, SF.FaceSize.Y);
SF.Face[0] = skin;
//choose width and height
Rectangle eye = new Rectangle(0, 0, SF.EyeSize.X, SF.EyeSize.Y);
SF.Face[1] = eye;
SF.Face[2] = eye;
//create ground shadow
Rectangle shadow = new Rectangle(0, 0, SF.FaceSize.X + 6, 1);
SF.Face[3] = shadow;
//create hat
Rectangle hat = new Rectangle(0, 0, SF.FaceSize.X + 6, 1);
SF.Face[4] = hat;
//set spawn position
SF.Position = new Vector2(100, 100);
//choose face and eye color
SF.Color_Face = new Color(
Data.Rand.Next(0, 80),
Data.Rand.Next(60, 150),
Data.Rand.Next(60, 150), 255);
SF.Color_Eyes = Color.White;
//randomize color of hat
int choice = Data.Rand.Next(0, 2);
if (choice == 0)
{
SF.Color_Hat = Color.Red;
}
else if (choice == 1)
{
SF.Color_Hat = Color.Yellow;
}
//randomize initial timeline
SF.Timeline = (short)Data.Rand.Next(0, 30);
SF.Layer = 0.0f;
//randomize blink animation
SF.BlinkCounter = (byte)Data.Rand.Next(0, 255);
return(SF);
}