public override void UpdateShapeStats()
{
Vector2[] vertices = this.VertexShape.Vertices;
this.center = Vector2.Zero;
for (int i = 0; i < vertices.Length; i++)
{
this.center += vertices[i];
}
this.center /= vertices.Length;
this.scale = Vector2.Zero;
for (int i = 0; i < vertices.Length; i++)
{
this.scale.X = MathF.Max(this.scale.X, MathF.Abs(vertices[i].X - this.center.X));
this.scale.Y = MathF.Max(this.scale.Y, MathF.Abs(vertices[i].Y - this.center.Y));
}
this.boundRad = 0.0f;
for (int i = 0; i < vertices.Length; i++)
{
this.boundRad = MathF.Max(this.boundRad, (vertices[i] - this.center).Length);
}
this.angle = MathF.Angle(this.center.X, this.center.Y, vertices[0].X, vertices[0].Y);
}
public void Update(CamViewState state, Point mouseLoc, Point beginLoc, Vector3 beginLocSpace, Vector3 lastLocSpace, Vector3 selectionCenter, float selectionRadius, CamViewState.LockedAxis lockedAxis)
{
state.ValidateSelectionStats();
Vector3 spaceCoord = state.GetSpaceCoord(new Vector3(mouseLoc.X, mouseLoc.Y, selectionCenter.Z));
float lastAngle = MathF.Angle(selectionCenter.X, selectionCenter.Y, lastLocSpace.X, lastLocSpace.Y);
float curAngle = MathF.Angle(selectionCenter.X, selectionCenter.Y, spaceCoord.X, spaceCoord.Y);
float rotation = curAngle - lastAngle;
state.RotateSelectionBy(rotation);
state.ActionLastLocSpace = spaceCoord;
}
private void UpdateObjRotate(Point mouseLoc)
{
this.ValidateSelectionStats();
Vector3 spaceCoord = this.GetSpaceCoord(new Vector3(mouseLoc.X, mouseLoc.Y, this.selectionCenter.Z));
float lastAngle = MathF.Angle(this.selectionCenter.X, this.selectionCenter.Y, this.actionLastLocSpace.X, this.actionLastLocSpace.Y);
float curAngle = MathF.Angle(this.selectionCenter.X, this.selectionCenter.Y, spaceCoord.X, spaceCoord.Y);
float rotation = curAngle - lastAngle;
this.RotateSelectionBy(rotation);
this.actionLastLocSpace = spaceCoord;
}
private void TilesetView_MouseMove(object sender, MouseEventArgs e)
{
Size tileSize = this.TilesetView.DisplayedTileSize;
Point tilePos = this.TilesetView.GetTileIndexLocation(this.TilesetView.HoveredTileIndex);
Point posOnTile = new Point(e.X - tilePos.X, e.Y - tilePos.Y);
Size centerSize = new Size(
tileSize.Width - TilemapsResCache.TilesetCollisionVertical.Width * 2 - 2,
tileSize.Height - TilemapsResCache.TilesetCollisionHorizontal.Height * 2 - 2);
// Determine the hovered tile hotspot for user interaction
TileHotSpot lastHoveredArea = this.hoveredArea;
if (posOnTile.X > (tileSize.Width - centerSize.Width) / 2 &&
posOnTile.Y > (tileSize.Height - centerSize.Height) / 2 &&
posOnTile.X < (tileSize.Width + centerSize.Width) / 2 &&
posOnTile.Y < (tileSize.Height + centerSize.Height) / 2)
{
this.hoveredArea = TileHotSpot.Center;
}
else
{
float angle = MathF.Angle(tileSize.Width / 2, tileSize.Height / 2, posOnTile.X, posOnTile.Y);
if (MathF.CircularDist(angle, 0.0f) < MathF.RadAngle45)
{
this.hoveredArea = TileHotSpot.Top;
}
else if (MathF.CircularDist(angle, MathF.RadAngle90) < MathF.RadAngle45)
{
this.hoveredArea = TileHotSpot.Right;
}
else if (MathF.CircularDist(angle, MathF.RadAngle180) < MathF.RadAngle45)
{
this.hoveredArea = TileHotSpot.Bottom;
}
else
{
this.hoveredArea = TileHotSpot.Left;
}
}
// If the user is in the process of setting or clearing bits, perform the drawing operation
if (this.isUserDrawing)
{
this.PerformUserDrawAction();
}
if (lastHoveredArea != this.hoveredArea)
{
this.TilesetView.InvalidateTile(this.TilesetView.HoveredTileIndex, 0);
}
}
public void UpdateLoopStats()
{
this.center = Vector2.Zero;
for (int i = 0; i < this.loop.Vertices.Length; i++)
{
this.center += this.loop.Vertices[i];
}
this.center /= this.loop.Vertices.Length;
this.scale = Vector2.Zero;
for (int i = 0; i < this.loop.Vertices.Length; i++)
{
this.scale.X = MathF.Max(this.scale.X, MathF.Abs(this.loop.Vertices[i].X - this.center.X));
this.scale.Y = MathF.Max(this.scale.Y, MathF.Abs(this.loop.Vertices[i].Y - this.center.Y));
}
this.boundRad = 0.0f;
for (int i = 0; i < this.loop.Vertices.Length; i++)
{
this.boundRad = MathF.Max(this.boundRad, (this.loop.Vertices[i] - this.center).Length);
}
this.angle = MathF.Angle(this.center.X, this.center.Y, this.loop.Vertices[0].X, this.loop.Vertices[0].Y);
}
private void TilesetView_MouseMove(object sender, MouseEventArgs e)
{
Size tileSize = this.TilesetView.DisplayedTileSize;
Point tilePos = this.TilesetView.GetTileIndexLocation(this.TilesetView.HoveredTileIndex);
Point posOnTile = new Point(e.X - tilePos.X, e.Y - tilePos.Y);
Size centerSize = new Size(tileSize.Width / 2, tileSize.Height / 2);
// Determine the hovered tile hotspot for user interaction
TileConnection lastHoveredArea = this.hoveredArea;
if (posOnTile.X > (tileSize.Width - centerSize.Width) / 2 &&
posOnTile.Y > (tileSize.Height - centerSize.Height) / 2 &&
posOnTile.X < (tileSize.Width + centerSize.Width) / 2 &&
posOnTile.Y < (tileSize.Height + centerSize.Height) / 2)
{
this.hoveredArea = TileConnection.None;
}
else
{
float angle = MathF.Angle(tileSize.Width / 2, tileSize.Height / 2, posOnTile.X, posOnTile.Y);
float threshold = MathF.DegToRad(22.5f);
if (MathF.CircularDist(angle, MathF.DegToRad(315.0f)) <= threshold)
{
this.hoveredArea = TileConnection.TopLeft;
}
else if (MathF.CircularDist(angle, MathF.DegToRad(0.0f)) <= threshold)
{
this.hoveredArea = TileConnection.Top;
}
else if (MathF.CircularDist(angle, MathF.DegToRad(45.0f)) <= threshold)
{
this.hoveredArea = TileConnection.TopRight;
}
else if (MathF.CircularDist(angle, MathF.DegToRad(270.0f)) <= threshold)
{
this.hoveredArea = TileConnection.Left;
}
else if (MathF.CircularDist(angle, MathF.DegToRad(90.0f)) <= threshold)
{
this.hoveredArea = TileConnection.Right;
}
else if (MathF.CircularDist(angle, MathF.DegToRad(225.0f)) <= threshold)
{
this.hoveredArea = TileConnection.BottomLeft;
}
else if (MathF.CircularDist(angle, MathF.DegToRad(180.0f)) <= threshold)
{
this.hoveredArea = TileConnection.Bottom;
}
else
{
this.hoveredArea = TileConnection.BottomRight;
}
}
// Update action state
TilesetAutoTileInput autoTile = this.currentAutoTile;
if (autoTile != null)
{
this.isBaseTileDraw =
autoTile.BaseTileIndex == -1 ||
autoTile.BaseTileIndex == this.TilesetView.HoveredTileIndex;
}
this.UpdateExternalDrawMode();
// If the user is in the process of setting or clearing bits, perform the drawing operation
if (this.isUserDrawing)
{
this.PerformUserDrawAction();
}
if (lastHoveredArea != this.hoveredArea)
{
this.TilesetView.InvalidateTile(this.TilesetView.HoveredTileIndex, 0);
}
}
private FarseerPhysics.Common.Vertices CreateVertices(float scale)
{
if (this.vertices == null || this.vertices.Length < 3)
{
return(null);
}
if (!MathF.IsPolygonConvex(this.vertices))
{
return(null);
}
// Be sure to not exceed the maximum vertex count
Vector2[] sortedVertices = this.vertices.ToArray();
if (sortedVertices.Length > MaxVertices)
{
Array.Resize(ref sortedVertices, MaxVertices);
Log.Core.WriteWarning("Maximum Polygon Shape vertex count exceeded: {0} > {1}", this.vertices.Length, MaxVertices);
}
// Don't let all vertices be aligned on one axis (zero-area polygons)
if (sortedVertices.Length > 0)
{
Vector2 firstVertex = sortedVertices[0];
bool alignX = true;
bool alignY = true;
for (int i = 0; i < sortedVertices.Length; i++)
{
if (sortedVertices[i].X != firstVertex.X)
{
alignX = false;
}
if (sortedVertices[i].Y != firstVertex.Y)
{
alignY = false;
}
if (!alignX && !alignY)
{
break;
}
}
if (alignX)
{
sortedVertices[0].X += 0.01f;
}
if (alignY)
{
sortedVertices[0].Y += 0.01f;
}
}
// Sort vertices clockwise before submitting them to Farseer
Vector2 centroid = Vector2.Zero;
for (int i = 0; i < sortedVertices.Length; i++)
{
centroid += sortedVertices[i];
}
centroid /= sortedVertices.Length;
sortedVertices.StableSort(delegate(Vector2 first, Vector2 second)
{
return(MathF.RoundToInt(
1000000.0f * MathF.Angle(centroid.X, centroid.Y, first.X, first.Y) -
1000000.0f * MathF.Angle(centroid.X, centroid.Y, second.X, second.Y)));
});
// Shrink a little bit
//for (int i = 0; i < sortedVertices.Length; i++)
//{
// Vector2 rel = (sortedVertices[i] - centroid);
// float len = rel.Length;
// sortedVertices[i] = centroid + rel.Normalized * MathF.Max(0.0f, len - 1.5f);
//}
// Submit vertices
FarseerPhysics.Common.Vertices v = new FarseerPhysics.Common.Vertices(sortedVertices.Length);
for (int i = 0; i < sortedVertices.Length; i++)
{
v.Add(PhysicsUnit.LengthToPhysical * sortedVertices[i] * scale);
}
return(v);
}
