public Player(World world, float x, float y, Texture2D texture)
{
torso = BodyFactory.CreateRectangle(world, 60 * MainGame.PIXEL_TO_METER, 80 * MainGame.PIXEL_TO_METER, 1);
torso.Position = new Vector2(x * MainGame.PIXEL_TO_METER, y * MainGame.PIXEL_TO_METER);
torso.BodyType = BodyType.Dynamic;
torso.UserData = this;
legs = BodyFactory.CreateCircle(world, 31 * MainGame.PIXEL_TO_METER, 1);
legs.Position = torso.Position + new Vector2(0, 40 * MainGame.PIXEL_TO_METER);
legs.BodyType = BodyType.Dynamic;
legs.Friction = 5.0f;
legs.UserData = this;
JointFactory.CreateFixedAngleJoint(world, torso);
axis = JointFactory.CreateRevoluteJoint(world, torso, legs, Vector2.Zero);
axis.CollideConnected = false;
axis.MotorEnabled = true;
axis.MotorSpeed = 0.0f;
axis.MotorTorque = 3.0f;
axis.MaxMotorTorque = 10.0f;
onGround = false;
facingLeft = false;
jumpForce = new Vector2(0, -1f);
rightAirForce = new Vector2(5f, 0);
leftAirForce = -1 * rightAirForce;
prevVelocity = Vector2.Zero;
normal = Vector2.Zero;
pressW = false;
holdW = false;
texIdle = new AnimatedTexture(texture, 24, 0, 0, 120, 140);
texRun = new AnimatedTexture(texture, 19, 0, 140, 120, 140);
texJump = new AnimatedTexture(texture, 9, 19 * 120, 140, 120, 140, 1, false, false);
currentTexture = texIdle;
}
public void Update(World w)
{
// Animate texture
currentTexture.Update();
if (!onGround)
{
if (currentTexture != texJump)
currentTexture = texJump;
int frame = (int)(torso.LinearVelocity.Y * MainGame.METER_TO_PIXEL) / 16 + 3;
if (frame < 0) frame = 0;
else if (frame > 8) frame = 8;
texJump.Frame = frame;
}
// Walking
if (Keyboard.GetState().IsKeyDown(Keys.A))
{
facingLeft = true;
axis.MotorSpeed = 2.5f * -MathHelper.TwoPi;
if (onGround)
{
currentTexture = texRun;
}
if (!onGround && torso.LinearVelocity.X > -2)
torso.ApplyForce(ref leftAirForce);
}
else if (Keyboard.GetState().IsKeyDown(Keys.D))
{
facingLeft = false;
axis.MotorSpeed = 2.5f * MathHelper.TwoPi;
if (onGround)
{
currentTexture = texRun;
}
if (!onGround && torso.LinearVelocity.X < 2)
torso.ApplyForce(ref rightAirForce);
}
else
{
if (onGround)
currentTexture = texIdle;
axis.MotorSpeed = 0;
}
if (!onGround)
axis.MotorEnabled = false;
else
axis.MotorEnabled = true;
// Check if you're standing on something
onGround = false;
start = legs.Position + new Vector2(0, 24 * MainGame.PIXEL_TO_METER);
end = start + new Vector2(0, 24 * MainGame.PIXEL_TO_METER);
for (int i = -30; i <= 30; i += 15)
{
start.X = legs.Position.X + i * MainGame.PIXEL_TO_METER;
end.X = legs.Position.X + i * MainGame.PIXEL_TO_METER;
w.RayCast((f, p, n, fr) =>
{
normal = n;
if (f != null)
onGround = true;
else
onGround = false;
return 0;
}, start, end);
if (onGround)
break;
}
// Jump
if (Keyboard.GetState().IsKeyDown(Keys.W))
{
if (!pressW)
{
if (onGround)
{
if (Keyboard.GetState().IsKeyDown(Keys.A))
torso.LinearVelocity -= 0.7f * Vector2.UnitX;
if (Keyboard.GetState().IsKeyDown(Keys.D))
torso.LinearVelocity += 0.7f * Vector2.UnitX;
torso.LinearVelocity = new Vector2(torso.LinearVelocity.X, -8);
holdW = true;
}
pressW = true;
}
}
else
{
pressW = false;
holdW = false;
}
if (holdW && torso.LinearVelocity.Y < 0)
torso.ApplyForce(jumpForce);
prevVelocity = torso.LinearVelocity;
}
private void UpdateMovement()
{
if (MovingLeft)
{
facingLeft = true;
axis.MotorSpeed = 2.5f * -MathHelper.TwoPi;
if (onGround)
if (Crouching)
currentTexture = texRoll;
else
currentTexture = texRun;
if (!onGround && torso.LinearVelocity.X > -2)
torso.ApplyForce(ref left_airForce);
}
else if (MovingRight)
{
facingLeft = false;
axis.MotorSpeed = 2.5f * MathHelper.TwoPi;
if (onGround)
if (Crouching)
currentTexture = texRoll;
else
currentTexture = texRun;
if (!onGround && torso.LinearVelocity.X < 2)
torso.ApplyForce(ref right_airForce);
}
else
{
if (onGround)
if (Crouching)
currentTexture = texCrouch;
else
currentTexture = texIdle;
axis.MotorSpeed = 0;
}
if (!onGround)
axis.MotorEnabled = false;
else
axis.MotorEnabled = true;
}
private void UpdateTexture()
{
currentTexture.Update();
if (!onGround)
{
if (currentTexture != texJump)
currentTexture = texJump;
int frame = (int)(torso.LinearVelocity.Y * MainGame.METER_TO_PIXEL) / 16 + 3;
if (frame < 0) frame = 0;
else if (frame > 8) frame = 8;
texJump.Frame = frame;
}
}
private void SetUpTextures(Texture2D guyTexture)
{
texIdle = new AnimatedTexture(guyTexture, 24, 0, 0, 120, 140);
texRun = new AnimatedTexture(guyTexture, 19, 0, 140, 120, 140);
texJump = new AnimatedTexture(guyTexture, 9, 19 * 120, 140, 120, 140, 1, false, false);
texCrouch = new AnimatedTexture(guyTexture, 1, 4 * 120, 280, 120, 140);
texRoll = new AnimatedTexture(guyTexture, 1, 5 * 120, 280, 120, 140);
currentTexture = texIdle;
}