public override void Update()
{
base.Update();
// Dividers
DrawLine(new Vector2(0, HALF_H), new Vector2(0, -HALF_H), Color.White);
DrawLine(new Vector2(-HALF_W, 0), new Vector2(HALF_W, 0), Color.White);
// Goal markers
DrawCircle(goal, 10, 10, Color.Green);
DrawCircle(goal + new Vector2(HALF_W, 0), 10, 10, Color.Green);
DrawCircle(goal + new Vector2(0, -HALF_H), 10, 10, Color.Green);
DrawCircle(goal + new Vector2(HALF_W, -HALF_H), 10, 10, Color.Green);
// Solution Spaces
DrawCircle(hingeJT.DefaultPosition, hingeJT.SolutionSpaceRadius(), 30, Color.DarkRed);
DrawCircle(hingeJI.DefaultPosition, hingeJI.SolutionSpaceRadius(), 30, Color.DarkRed);
DrawCircle(hingeDLS.DefaultPosition, hingeDLS.SolutionSpaceRadius(), 30, Color.DarkRed);
DrawCircle(hingeCCD.DefaultPosition, hingeCCD.SolutionSpaceRadius(), 30, Color.DarkRed);
// Joints
Vertices.AddRange(hingeJT.GetVertices());
Vertices.AddRange(hingeJI.GetVertices());
Vertices.AddRange(hingeDLS.GetVertices());
Vertices.AddRange(hingeCCD.GetVertices());
}
public override void Update()
{
base.Update();
DrawCircle(goal, 10, 10, Color.Green);
DrawCircle(Vector2.Zero, baseJoint.SolutionSpaceRadius(), 100, Color.DarkRed);
Vertices.AddRange(baseJoint.GetVertices());
}
public override void Update()
{
base.Update();
// Goal Marker
DrawCircle(goal, 5, 5, Color.Green);
// Solution Spaces
DrawCircle(leftJoint.DefaultPosition, leftJoint.SolutionSpaceRadius(), 30, new Color(50, 0, 0));
DrawCircle(rightJoint.DefaultPosition, rightJoint.SolutionSpaceRadius(), 30, new Color(50, 0, 0));
// Joints
Vertices.AddRange(leftJoint.GetVertices());
Vertices.AddRange(rightJoint.GetVertices());
}
public override void Input(InputManager input)
{
if (input.IsKeyPressed(Keys.Escape))
{
Exit();
}
camera.Input(input, GameTime);
if (updateFocusJoint)
{
var toMouse = new Vector2(
input.CurrentMousePosition.X - (focusJoint.GlobalPosition.X + WIDTH / 2),
-input.CurrentMousePosition.Y + (-focusJoint.GlobalPosition.Y + HEIGHT / 2)
);
focusJoint.Angle = (float)Math.Atan2(
toMouse.Y,
toMouse.X
);
if (input.IsKeyPressed(Keys.M))
{
if (focusJoint.Child != null)
{
focusJoint = focusJoint.Child;
}
else
{
focusJoint = null;
updateFocusJoint = false;
}
}
if (input.IsKeyPressed(Keys.N))
{
focusJoint = focusJoint.Parent != null ? focusJoint.Parent : focusJoint;
}
}
if (input.IsKeyPressed(Keys.Space))
{
updateFocusJoint = true;
focusJoint = baseJoint;
}
if (input.IsKeyDown(Keys.LeftShift) || input.IsKeyDown(Keys.RightShift))
{
if (input.IsKeyPressed(Keys.J))
{
JTIterate();
}
if (input.IsKeyPressed(Keys.K))
{
JIIterate();
}
if (input.IsKeyPressed(Keys.L))
{
CCDIterate();
}
if (input.IsKeyPressed(Keys.OemSemicolon))
{
DLSIterate();
}
}
else
{
if (input.IsKeyDown(Keys.J))
{
JTIterate();
}
if (input.IsKeyDown(Keys.K))
{
JIIterate();
}
if (input.IsKeyDown(Keys.L))
{
CCDIterate();
}
if (input.IsKeyDown(Keys.OemSemicolon))
{
DLSIterate();
}
}
if (input.IsMouseDown(MouseButtons.Left))
{
goal = input.CurrentMousePosition.ToVector2();
goal -= new Vector2(WIDTH / 2, HEIGHT / 2);
goal.Y = -goal.Y;
var dist = Vector2.Distance(goal, Vector2.Zero);
var rad = baseJoint.SolutionSpaceRadius();
if (dist > rad)
{
goal *= rad / dist;
}
}
base.Input(input);
}