private List <ShapeInfo> PickShapes(RigidBody body, Vector2 worldCoord, Vector2 worldSize) { Rect worldRect = new Rect(worldCoord.X, worldCoord.Y, worldSize.X, worldSize.Y); // Do a physical picking operation List <ShapeInfo> result = new List <ShapeInfo>(); body.PickShapes(worldCoord, worldSize, result); // Special case for Loop- and ChainShapes, because they are by definition unpickable foreach (ShapeInfo shape in body.Shapes) { LoopShapeInfo loop = shape as LoopShapeInfo; ChainShapeInfo chain = shape as ChainShapeInfo; Vector2[] vertices = null; if (loop != null) { vertices = loop.Vertices; } if (chain != null) { vertices = chain.Vertices; } if (vertices != null && IsOutlineBoxIntersection(body.GameObj.Transform, vertices, worldRect)) { result.Add(shape); continue; } } return(result); }
private ShapeInfo PickShape(RigidBody body, Vector2 worldCoord) { // Special case for Loop- and ChainShapes, because they are by definition unpickable Rect worldRect = Rect.Align(Alignment.Center, worldCoord.X, worldCoord.Y, 10.0f, 10.0f); foreach (ShapeInfo shape in body.Shapes) { LoopShapeInfo loop = shape as LoopShapeInfo; ChainShapeInfo chain = shape as ChainShapeInfo; Vector2[] vertices = null; if (loop != null) { vertices = loop.Vertices; } if (chain != null) { vertices = chain.Vertices; } if (vertices != null && IsOutlineBoxIntersection(body.GameObj.Transform, vertices, worldRect)) { return(shape); } } // Do a physical picking operation return(body.PickShape(worldCoord)); }
protected internal override void OnCollectWorldOverlayDrawcalls(Canvas canvas) { base.OnCollectWorldOverlayDrawcalls(canvas); List <RigidBody> visibleColliders = this.QueryVisibleColliders().ToList(); RigidBody selectedBody = this.QuerySelectedCollider(); canvas.State.TextFont = Font.GenericMonospace10; canvas.State.TextInvariantScale = true; canvas.State.ZOffset = -0.5f; Font textFont = canvas.State.TextFont.Res; // Draw Shape layer foreach (RigidBody body in visibleColliders) { if (!body.Shapes.Any()) { continue; } float colliderAlpha = body == selectedBody ? 1.0f : (selectedBody != null ? 0.25f : 0.5f); float maxDensity = body.Shapes.Max(s => s.Density); float minDensity = body.Shapes.Min(s => s.Density); float avgDensity = (maxDensity + minDensity) * 0.5f; Vector3 objPos = body.GameObj.Transform.Pos; float objAngle = body.GameObj.Transform.Angle; float objScale = body.GameObj.Transform.Scale; int index = 0; foreach (ShapeInfo shape in body.Shapes) { CircleShapeInfo circle = shape as CircleShapeInfo; PolyShapeInfo poly = shape as PolyShapeInfo; ChainShapeInfo chain = shape as ChainShapeInfo; LoopShapeInfo loop = shape as LoopShapeInfo; ObjectEditorCamViewState editorState = this.View.ActiveState as ObjectEditorCamViewState; float shapeAlpha = colliderAlpha * (selectedBody == null || editorState == null || editorState.SelectedObjects.Any(sel => sel.ActualObject == shape) ? 1.0f : 0.5f); float densityRelative = MathF.Abs(maxDensity - minDensity) < 0.01f ? 1.0f : shape.Density / avgDensity; ColorRgba clr = shape.IsSensor ? this.ShapeSensorColor : this.ShapeColor; ColorRgba fontClr = this.FgColor; Vector2 center = Vector2.Zero; if (!body.IsAwake) { clr = clr.ToHsva().WithSaturation(0.0f).ToRgba(); } if (!shape.IsValid) { clr = this.ShapeErrorColor; } bool fillShape = (poly != null || circle != null); Vector2[] shapeVertices = null; if (poly != null) { shapeVertices = poly.Vertices; } else if (loop != null) { shapeVertices = loop.Vertices; } else if (chain != null) { shapeVertices = chain.Vertices; } if (circle != null) { Vector2 circlePos = circle.Position * objScale; MathF.TransformCoord(ref circlePos.X, ref circlePos.Y, objAngle); if (fillShape) { canvas.State.SetMaterial(new BatchInfo(DrawTechnique.Alpha, clr.WithAlpha((0.25f + densityRelative * 0.25f) * shapeAlpha))); canvas.FillCircle( objPos.X + circlePos.X, objPos.Y + circlePos.Y, objPos.Z, circle.Radius * objScale); } canvas.State.SetMaterial(new BatchInfo(DrawTechnique.Alpha, clr.WithAlpha(shapeAlpha))); canvas.DrawCircle( objPos.X + circlePos.X, objPos.Y + circlePos.Y, objPos.Z, circle.Radius * objScale); center = circlePos; } else if (shapeVertices != null) { ColorRgba vertexFillColor = canvas.State.ColorTint * clr.WithAlpha((0.25f + densityRelative * 0.25f) * shapeAlpha); ColorRgba vertexOutlineColor = canvas.State.ColorTint * clr; // Prepare vertices to submit. We can't use higher-level canvas functionality // here, because we want direct control over the vertex mode. float viewSpaceScale = objScale; Vector3 viewSpacePos = objPos; canvas.DrawDevice.PreprocessCoords(ref viewSpacePos, ref viewSpaceScale); VertexC1P3T2[] drawVertices = new VertexC1P3T2[shapeVertices.Length]; for (int i = 0; i < drawVertices.Length; i++) { drawVertices[i].Pos.X = shapeVertices[i].X; drawVertices[i].Pos.Y = shapeVertices[i].Y; drawVertices[i].Pos.Z = 0.0f; MathF.TransformCoord(ref drawVertices[i].Pos.X, ref drawVertices[i].Pos.Y, objAngle, viewSpaceScale); drawVertices[i].Pos.X += viewSpacePos.X; drawVertices[i].Pos.Y += viewSpacePos.Y; drawVertices[i].Pos.Z += viewSpacePos.Z; drawVertices[i].Color = vertexOutlineColor; } // Calculate the center coordinate for (int i = 0; i < drawVertices.Length; i++) { center += shapeVertices[i]; } center /= shapeVertices.Length; MathF.TransformCoord(ref center.X, ref center.Y, objAngle, objScale); // Make sure to render using an alpha material canvas.State.SetMaterial(new BatchInfo(DrawTechnique.Alpha, ColorRgba.White)); // Fill the shape if (fillShape) { VertexC1P3T2[] fillVertices = drawVertices.Clone() as VertexC1P3T2[]; for (int i = 0; i < fillVertices.Length; i++) { fillVertices[i].Color = vertexFillColor; } canvas.DrawVertices(fillVertices, VertexMode.TriangleFan); } // Draw the outline canvas.DrawVertices(drawVertices, shape is ChainShapeInfo ? VertexMode.LineStrip : VertexMode.LineLoop); } // Draw shape index if (body == selectedBody) { string indexText = index.ToString(); Vector2 textSize = textFont.MeasureText(indexText); canvas.State.SetMaterial(new BatchInfo(DrawTechnique.Alpha, fontClr.WithAlpha((shapeAlpha + 1.0f) * 0.5f))); canvas.DrawText(indexText, objPos.X + center.X, objPos.Y + center.Y, objPos.Z); } index++; } // Draw center of mass if (body.BodyType == BodyType.Dynamic) { Vector2 localMassCenter = body.LocalMassCenter; MathF.TransformCoord(ref localMassCenter.X, ref localMassCenter.Y, objAngle, objScale); canvas.State.SetMaterial(new BatchInfo(DrawTechnique.Alpha, this.MassCenterColor.WithAlpha(colliderAlpha))); canvas.DrawLine( objPos.X + localMassCenter.X - 5.0f, objPos.Y + localMassCenter.Y, objPos.Z, objPos.X + localMassCenter.X + 5.0f, objPos.Y + localMassCenter.Y, objPos.Z); canvas.DrawLine( objPos.X + localMassCenter.X, objPos.Y + localMassCenter.Y - 5.0f, objPos.Z, objPos.X + localMassCenter.X, objPos.Y + localMassCenter.Y + 5.0f, objPos.Z); } } }
private void DrawShape(Canvas canvas, Transform transform, ChainShapeInfo shape, ColorRgba fillColor, ColorRgba outlineColor) { this.DrawPolygonOutline(canvas, transform, shape.Vertices, outlineColor, false); }
protected internal override void OnCollectWorldOverlayDrawcalls(Canvas canvas) { base.OnCollectWorldOverlayDrawcalls(canvas); List <RigidBody> visibleColliders = this.QueryVisibleColliders().ToList(); RigidBody selectedBody = this.QuerySelectedCollider(); canvas.State.SetMaterial(new BatchInfo(DrawTechnique.Alpha, ColorRgba.White)); canvas.State.TextFont = Font.GenericMonospace10; canvas.State.TextInvariantScale = true; canvas.State.ZOffset = this.depthOffset; Font textFont = canvas.State.TextFont.Res; // Retrieve selected shapes ObjectEditorCamViewState editorState = this.View.ActiveState as ObjectEditorCamViewState; object[] editorSelectedObjects = editorState != null?editorState.SelectedObjects.Select(item => item.ActualObject).ToArray() : new object[0]; bool isAnyBodySelected = (selectedBody != null); bool isAnyShapeSelected = isAnyBodySelected && editorSelectedObjects.OfType <ShapeInfo>().Any(); // Draw Shape layer foreach (RigidBody body in visibleColliders) { if (!body.Shapes.Any()) { continue; } Vector3 objPos = body.GameObj.Transform.Pos; float objAngle = body.GameObj.Transform.Angle; float objScale = body.GameObj.Transform.Scale; bool isBodySelected = (body == selectedBody); float bodyAlpha = isBodySelected ? 1.0f : (isAnyBodySelected ? 0.5f : 1.0f); float maxDensity = body.Shapes.Max(s => s.Density); float minDensity = body.Shapes.Min(s => s.Density); float avgDensity = (maxDensity + minDensity) * 0.5f; int shapeIndex = 0; foreach (ShapeInfo shape in body.Shapes) { CircleShapeInfo circle = shape as CircleShapeInfo; PolyShapeInfo poly = shape as PolyShapeInfo; ChainShapeInfo chain = shape as ChainShapeInfo; LoopShapeInfo loop = shape as LoopShapeInfo; bool isShapeSelected = isBodySelected && editorSelectedObjects.Contains(shape); float shapeAlpha = bodyAlpha * (isShapeSelected ? 1.0f : (isAnyShapeSelected && isBodySelected ? 0.75f : 1.0f)); float densityRelative = MathF.Abs(maxDensity - minDensity) < 0.01f ? 1.0f : shape.Density / avgDensity; ColorRgba shapeColor = shape.IsSensor ? this.ShapeSensorColor : this.ShapeColor; ColorRgba fontColor = this.FgColor; if (!body.IsAwake) { shapeColor = shapeColor.ToHsva().WithSaturation(0.0f).ToRgba(); } if (!shape.IsValid) { shapeColor = this.ShapeErrorColor; } // Draw the shape itself ColorRgba fillColor = shapeColor.WithAlpha((0.25f + densityRelative * 0.25f) * shapeAlpha); ColorRgba outlineColor = ColorRgba.Lerp(shapeColor, fontColor, isShapeSelected ? 0.75f : 0.25f).WithAlpha(shapeAlpha); this.DrawShape(canvas, body.GameObj.Transform, shape, fillColor, outlineColor); // Calculate the center coordinate Vector2 shapeCenter = Vector2.Zero; if (circle != null) { shapeCenter = circle.Position * objScale; } else { Vector2[] shapeVertices = null; if (poly != null) { shapeVertices = poly.Vertices; } else if (loop != null) { shapeVertices = loop.Vertices; } else if (chain != null) { shapeVertices = chain.Vertices; } for (int i = 0; i < shapeVertices.Length; i++) { shapeCenter += shapeVertices[i]; } shapeCenter /= shapeVertices.Length; MathF.TransformCoord(ref shapeCenter.X, ref shapeCenter.Y, objAngle, objScale); } // Draw shape index if (body == selectedBody) { string indexText = shapeIndex.ToString(); Vector2 textSize = textFont.MeasureText(indexText); canvas.State.ColorTint = fontColor.WithAlpha((shapeAlpha + 1.0f) * 0.5f); canvas.DrawText(indexText, objPos.X + shapeCenter.X, objPos.Y + shapeCenter.Y, 0.0f); } shapeIndex++; } // Draw center of mass if (body.BodyType == BodyType.Dynamic) { Vector2 localMassCenter = body.LocalMassCenter; MathF.TransformCoord(ref localMassCenter.X, ref localMassCenter.Y, objAngle, objScale); float size = this.GetScreenConstantScale(canvas, 6.0f); canvas.State.ColorTint = this.MassCenterColor.WithAlpha(bodyAlpha); canvas.DrawLine( objPos.X + localMassCenter.X - size, objPos.Y + localMassCenter.Y, 0.0f, objPos.X + localMassCenter.X + size, objPos.Y + localMassCenter.Y, 0.0f); canvas.DrawLine( objPos.X + localMassCenter.X, objPos.Y + localMassCenter.Y - size, 0.0f, objPos.X + localMassCenter.X, objPos.Y + localMassCenter.Y + size, 0.0f); } // Draw transform center if (body.BodyType == BodyType.Dynamic) { float size = this.GetScreenConstantScale(canvas, 3.0f); canvas.State.ColorTint = this.ObjectCenterColor.WithAlpha(bodyAlpha); canvas.FillCircle(objPos.X, objPos.Y, 0.0f, size); } } }
public RigidBodyEditorSelChainShape(ChainShapeInfo shape) : base(shape) { }