private void DrawSprings(SpriteBatch spriteBatch)
{
for (int i = 0; i < _physicsSimulator.SpringList.Count; i++)
{
if (!(_physicsSimulator.SpringList[i] is FixedLinearSpring))
{
continue;
}
FixedLinearSpring fixedLinearSpring = (FixedLinearSpring)_physicsSimulator.SpringList[i];
_worldAttachPoint = fixedLinearSpring.WorldAttachPoint;
_body1AttachPointInWorldCoordinates =
fixedLinearSpring.Body.GetWorldPosition(fixedLinearSpring.BodyAttachPoint);
_springCircleBrush.Draw(spriteBatch, _body1AttachPointInWorldCoordinates);
_springCircleBrush.Draw(spriteBatch, _worldAttachPoint);
Vector2.Lerp(ref _worldAttachPoint, ref _body1AttachPointInWorldCoordinates, .25f, out _vectorTemp1);
_springCircleBrush.Draw(spriteBatch, _vectorTemp1);
Vector2.Lerp(ref _worldAttachPoint, ref _body1AttachPointInWorldCoordinates, .50f, out _vectorTemp1);
_springCircleBrush.Draw(spriteBatch, _vectorTemp1);
Vector2.Lerp(ref _worldAttachPoint, ref _body1AttachPointInWorldCoordinates, .75f, out _vectorTemp1);
_springCircleBrush.Draw(spriteBatch, _vectorTemp1);
_springLineBrush.Draw(spriteBatch, _body1AttachPointInWorldCoordinates,
fixedLinearSpring.WorldAttachPoint);
}
for (int i = 0; i < _physicsSimulator.SpringList.Count; i++)
{
if (!(_physicsSimulator.SpringList[i] is LinearSpring))
{
continue;
}
LinearSpring linearSpring = (LinearSpring)_physicsSimulator.SpringList[i];
_attachPoint1 = linearSpring.AttachPoint1;
_attachPoint2 = linearSpring.AttachPoint2;
linearSpring.Body1.GetWorldPosition(ref _attachPoint1, out _body1AttachPointInWorldCoordinates);
linearSpring.Body2.GetWorldPosition(ref _attachPoint2, out _body2AttachPointInWorldCoordinates);
_springCircleBrush.Draw(spriteBatch, _body1AttachPointInWorldCoordinates);
_springCircleBrush.Draw(spriteBatch, _body2AttachPointInWorldCoordinates);
Vector2.Lerp(ref _body1AttachPointInWorldCoordinates, ref _body2AttachPointInWorldCoordinates, .25f,
out _vectorTemp1);
_springCircleBrush.Draw(spriteBatch, _vectorTemp1);
Vector2.Lerp(ref _body1AttachPointInWorldCoordinates, ref _body2AttachPointInWorldCoordinates, .50f,
out _vectorTemp1);
_springCircleBrush.Draw(spriteBatch, _vectorTemp1);
Vector2.Lerp(ref _body1AttachPointInWorldCoordinates, ref _body2AttachPointInWorldCoordinates, .75f,
out _vectorTemp1);
_springCircleBrush.Draw(spriteBatch, _vectorTemp1);
_springLineBrush.Draw(spriteBatch, _body1AttachPointInWorldCoordinates,
_body2AttachPointInWorldCoordinates);
}
}
public void Draw(SpriteBatch spriteBatch)
{
for (int i = 0; i < _count; i++)
{
_circleBrush.Draw(spriteBatch, _circleGeom[i].Position);
}
}
private void DrawVerticesAndEdges(SpriteBatch spriteBatch)
{
//draw vertice texture
for (int i = 0; i < _physicsSimulator.GeomList.Count; i++)
{
int verticeCount = _physicsSimulator.GeomList[i].LocalVertices.Count;
for (int j = 0; j < verticeCount; j++)
{
if (_enableEdgeView)
{
if (j < verticeCount - 1)
{
_edgeLineBrush.Draw(spriteBatch, _physicsSimulator.GeomList[i].WorldVertices[j],
_physicsSimulator.GeomList[i].WorldVertices[j + 1]);
}
else
{
_edgeLineBrush.Draw(spriteBatch, _physicsSimulator.GeomList[i].WorldVertices[j],
_physicsSimulator.GeomList[i].WorldVertices[0]);
}
}
if (_enableVerticeView)
{
_verticeCircleBrush.Draw(spriteBatch, _physicsSimulator.GeomList[i].WorldVertices[j]);
}
}
}
}
private void DrawContacts(SpriteBatch spriteBatch)
{
//draw contact textures
for (int i = 0; i < _physicsSimulator.ArbiterList.Count; i++)
{
for (int j = 0; j < _physicsSimulator.ArbiterList[i].ContactList.Count; j++)
{
_contactCircleBrush.Draw(spriteBatch, _physicsSimulator.ArbiterList[i].ContactList[j].Position);
}
}
}
public override void Draw(GameTime gameTime)
{
ScreenManager.SpriteBatch.Begin(SpriteBlendMode.AlphaBlend);
_circleBrush.Draw(ScreenManager.SpriteBatch, _circleBody.Position);
_rectangleBrush.Draw(ScreenManager.SpriteBatch, _rectangleBody.Position, _rectangleBody.Rotation);
ScreenManager.SpriteBatch.End();
base.Draw(gameTime);
}
/// <inheritdoc />
public override void Draw()
{
var size = Size;
var enabled = EnabledInHierarchy;
var circleColor = _isPressed ? ColorPressed : Color;
if (!enabled)
{
circleColor *= 0.5f;
}
var pressedScale = 0.3f;
var normalSize = 0.5f;
var circleBounds = _isPressed ? new Rectangle(Vector2.Clamp(_inputLocation, size * (pressedScale / 2), size * (1 - pressedScale / 2)) - size * (pressedScale / 2), size * pressedScale) : new Rectangle(size * (0.5f - normalSize * 0.5f), size * normalSize);
CircleBrush?.Draw(circleBounds, circleColor);
}
private void DrawGrid(SpriteBatch spriteBatch)
{
//draw grid
for (int i = 0; i < _physicsSimulator.GeomList.Count; i++)
{
if (_physicsSimulator.GeomList[i].Grid == null)
{
continue;
}
int count = _physicsSimulator.GeomList[i].Grid.Points.Length;
for (int j = 0; j < count; j++)
{
Vector2 point =
_physicsSimulator.GeomList[i].GetWorldPosition(_physicsSimulator.GeomList[i].Grid.Points[j]);
_gridCircleBrush.Draw(spriteBatch, point);
}
}
}
public override void Draw(GameTime gameTime)
{
ScreenManager.SpriteBatch.Begin(SpriteBlendMode.AlphaBlend);
_circleBrush.Draw(ScreenManager.SpriteBatch, _circleBody.Position);
_rectangleBrush.Draw(ScreenManager.SpriteBatch, _rectangleBody.Position, _rectangleBody.Rotation);
_lineBrush.Draw(ScreenManager.SpriteBatch, _p1, _p2);
foreach (Vector2 point in _intersectingPoints)
{
_marker.Draw(ScreenManager.SpriteBatch, point);
}
ScreenManager.SpriteBatch.DrawString(ScreenManager.SpriteFonts.DetailsFont, string.Format("Colliding with {0} geometries", _intersectingGeoms.Count), new Vector2(50, ScreenManager.ScreenHeight - 70), Color.White);
ScreenManager.SpriteBatch.End();
base.Draw(gameTime);
}