protected override void OnScene(SceneView sceneView, ChiselSpiralStairs generator)
{
var normal = Vector3.up;
var topDirection = Vector3.forward;
var lowDirection = Vector3.forward;
var originalOuterDiameter = generator.OuterDiameter;
var originalInnerDiameter = generator.InnerDiameter;
var originalStartAngle = generator.StartAngle;
var originalStepHeight = generator.StepHeight;
var originalRotation = generator.Rotation;
var originalHeight = generator.Height;
var originalOrigin = generator.Origin;
var cylinderTop = new ChiselCircleDefinition(1, originalOrigin.y + originalHeight);
var cylinderLow = new ChiselCircleDefinition(1, originalOrigin.y);
var originalTopPoint = normal * cylinderTop.height;
var originalLowPoint = normal * cylinderLow.height;
var originalMidPoint = (originalTopPoint + originalLowPoint) * 0.5f;
var outerDiameter = originalOuterDiameter;
var innerDiameter = originalInnerDiameter;
var topPoint = originalTopPoint;
var lowPoint = originalLowPoint;
var midPoint = originalMidPoint;
var startAngle = originalStartAngle;
var rotation = originalRotation;
EditorGUI.BeginChangeCheck();
{
var startRotateEdgeID = GUIUtility.GetControlID("SpiralStairsStartAngle".GetHashCode(), FocusType.Keyboard);
var endRotateEdgeID = GUIUtility.GetControlID("SpiralStairsEndAngle".GetHashCode(), FocusType.Keyboard);
// TODO: properly show things as backfaced
// TODO: temporarily show inner or outer diameter as disabled when resizing one or the other
// TODO: FIXME: why aren't there any arrows?
topPoint = UnitySceneExtensions.SceneHandles.DirectionHandle(topPoint, normal, snappingStep: originalStepHeight);
topPoint.y = Mathf.Max(lowPoint.y + originalStepHeight, topPoint.y);
lowPoint = UnitySceneExtensions.SceneHandles.DirectionHandle(lowPoint, -normal, snappingStep: originalStepHeight);
lowPoint.y = Mathf.Min(topPoint.y - originalStepHeight, lowPoint.y);
float minOuterDiameter = innerDiameter + ChiselSpiralStairsDefinition.kMinStairsDepth;
outerDiameter = Mathf.Max(minOuterDiameter, UnitySceneExtensions.SceneHandles.RadiusHandle(Vector3.up, topPoint, outerDiameter * 0.5f, renderDisc: false) * 2.0f);
outerDiameter = Mathf.Max(minOuterDiameter, UnitySceneExtensions.SceneHandles.RadiusHandle(Vector3.up, lowPoint, outerDiameter * 0.5f, renderDisc: false) * 2.0f);
float maxInnerDiameter = outerDiameter - ChiselSpiralStairsDefinition.kMinStairsDepth;
innerDiameter = Mathf.Min(maxInnerDiameter, UnitySceneExtensions.SceneHandles.RadiusHandle(Vector3.up, midPoint, innerDiameter * 0.5f, renderDisc: false) * 2.0f);
startAngle = RotatedEdge2DHandle(startRotateEdgeID, startAngle, lowPoint, outerDiameter * 0.5f, normal, lowDirection, Vector3.Cross(normal, lowDirection));
rotation = RotatedEdge2DHandle(endRotateEdgeID, startAngle + rotation, topPoint, outerDiameter * 0.5f, normal, topDirection, Vector3.Cross(normal, topDirection)) - startAngle;
// TODO: somehow put this into a separate renderer
cylinderTop.diameterZ = cylinderTop.diameterX = cylinderLow.diameterZ = cylinderLow.diameterX = originalInnerDiameter;
BrushMeshFactory.GetConicalFrustumVertices(cylinderLow, cylinderTop, 0, generator.InnerSegments, ref innerVertices);
cylinderTop.diameterZ = cylinderTop.diameterX = cylinderLow.diameterZ = cylinderLow.diameterX = originalOuterDiameter;
BrushMeshFactory.GetConicalFrustumVertices(cylinderLow, cylinderTop, 0, generator.OuterSegments, ref outerVertices);
var originalColor = UnityEditor.Handles.yAxisColor;
var color = Color.Lerp(originalColor, UnitySceneExtensions.SceneHandles.staticColor, UnitySceneExtensions.SceneHandles.staticBlend);
var outlineColor = Color.black;
outlineColor.a = color.a;
UnityEditor.Handles.color = outlineColor;
{
var sides = generator.OuterSegments;
for (int i = 0, j = sides - 1; i < sides; j = i, i++)
{
var t0 = outerVertices[i];
var t1 = outerVertices[j];
var b0 = outerVertices[i + sides];
var b1 = outerVertices[j + sides];
UnityEditor.Handles.DrawAAPolyLine(3.0f, t0, b0);
UnityEditor.Handles.DrawAAPolyLine(3.0f, t0, t1);
UnityEditor.Handles.DrawAAPolyLine(3.0f, b0, b1);
}
}
{
var sides = generator.InnerSegments;
for (int i = 0, j = sides - 1; i < sides; j = i, i++)
{
var t0 = innerVertices[i];
var t1 = innerVertices[j];
var b0 = innerVertices[i + sides];
var b1 = innerVertices[j + sides];
UnityEditor.Handles.DrawAAPolyLine(3.0f, t0, b0);
UnityEditor.Handles.DrawAAPolyLine(3.0f, t0, t1);
UnityEditor.Handles.DrawAAPolyLine(3.0f, b0, b1);
}
}
UnityEditor.Handles.color = originalColor;
{
var sides = generator.OuterSegments;
for (int i = 0, j = sides - 1; i < sides; j = i, i++)
{
var t0 = outerVertices[i];
var t1 = outerVertices[j];
var b0 = outerVertices[i + sides];
var b1 = outerVertices[j + sides];
UnityEditor.Handles.DrawAAPolyLine(2.0f, t0, b0);
UnityEditor.Handles.DrawAAPolyLine(2.0f, t0, t1);
UnityEditor.Handles.DrawAAPolyLine(2.0f, b0, b1);
}
}
{
var sides = generator.InnerSegments;
for (int i = 0, j = sides - 1; i < sides; j = i, i++)
{
var t0 = innerVertices[i];
var t1 = innerVertices[j];
var b0 = innerVertices[i + sides];
var b1 = innerVertices[j + sides];
UnityEditor.Handles.DrawAAPolyLine(2.0f, t0, b0);
UnityEditor.Handles.DrawAAPolyLine(2.0f, t0, t1);
UnityEditor.Handles.DrawAAPolyLine(2.0f, b0, b1);
var m0 = (t0 + b0) * 0.5f;
var m1 = (t1 + b1) * 0.5f;
UnityEditor.Handles.DrawDottedLine(m0, m1, 4.0f);
}
}
}
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(target, "Modified " + generator.NodeTypeName);
generator.OuterDiameter = outerDiameter;
generator.InnerDiameter = innerDiameter;
generator.StartAngle = startAngle;
generator.Rotation = rotation;
if (topPoint != originalTopPoint)
{
generator.Height = topPoint.y - lowPoint.y;
}
if (lowPoint != originalLowPoint)
{
generator.Height = topPoint.y - lowPoint.y;
var newOrigin = originalOrigin;
newOrigin.y += lowPoint.y - originalLowPoint.y;
generator.Origin = newOrigin;
}
generator.OnValidate();
}
}
public void ShowInstance()
{
var tempTop = generator.Top;
var tempBottom = generator.Bottom;
var sides = generator.Sides;
var topId = GUIUtility.GetControlID(s_TopHash, FocusType.Passive);
var bottomId = GUIUtility.GetControlID(s_BottomHash, FocusType.Passive);
var focusControl = UnitySceneExtensions.SceneHandleUtility.focusControl;
var color = UnityEditor.Handles.yAxisColor;
var isDisabled = UnitySceneExtensions.SceneHandles.disabled;
if (!generator.IsEllipsoid)
{
tempTop.diameterZ = tempTop.diameterX; tempBottom.diameterZ = tempBottom.diameterX;
}
EditorGUI.BeginChangeCheck();
{
switch (generator.Type)
{
case CylinderShapeType.Cylinder:
{
if (generator.IsEllipsoid)
{
UnitySceneExtensions.SceneHandles.Radius2DHandle(topPoint, normal, ref bottomXVector, ref bottomZVector, renderDisc: false);
UnitySceneExtensions.SceneHandles.Radius2DHandle(bottomPoint, -normal, ref bottomXVector, ref bottomZVector, renderDisc: false);
}
else
{
bottomXVector = UnitySceneExtensions.SceneHandles.Radius2DHandle(topPoint, normal, bottomXVector, renderDisc: false);
bottomXVector = UnitySceneExtensions.SceneHandles.Radius2DHandle(bottomPoint, -normal, bottomXVector, renderDisc: false);
bottomZVector = bottomXVector;
}
topXVector = bottomXVector;
topZVector = bottomZVector;
tempTop.diameterX = tempBottom.diameterX;
tempTop.diameterZ = tempBottom.diameterZ;
break;
}
case CylinderShapeType.ConicalFrustum:
{
if (generator.IsEllipsoid)
{
UnitySceneExtensions.SceneHandles.Radius2DHandle(topPoint, normal, ref topXVector, ref topZVector, renderDisc: false);
UnitySceneExtensions.SceneHandles.Radius2DHandle(bottomPoint, -normal, ref bottomXVector, ref bottomZVector, renderDisc: false);
}
else
{
UnitySceneExtensions.SceneHandles.Radius2DHandle(topPoint, normal, ref topXVector, ref topXVector, renderDisc: false);
UnitySceneExtensions.SceneHandles.Radius2DHandle(bottomPoint, -normal, ref bottomXVector, ref bottomXVector, renderDisc: false);
bottomXVector = UnitySceneExtensions.SceneHandles.Radius2DHandle(bottomPoint, -normal, bottomXVector, renderDisc: false);
bottomZVector = bottomXVector;
}
break;
}
case CylinderShapeType.Cone:
{
if (generator.IsEllipsoid)
{
UnitySceneExtensions.SceneHandles.Radius2DHandle(bottomPoint, -normal, ref bottomXVector, ref bottomZVector, renderDisc: false);
}
else
{
bottomXVector = UnitySceneExtensions.SceneHandles.Radius2DHandle(bottomPoint, -normal, bottomXVector, renderDisc: false);
bottomZVector = bottomXVector;
}
topXVector = bottomXVector;
topZVector = bottomZVector;
tempTop.diameterX = 0;
tempTop.diameterZ = 0;
break;
}
}
// TODO: add cylinder horizon "side-lines"
}
if (EditorGUI.EndChangeCheck())
{
topZVector.y = 0;
topXVector.y = 0;
bottomZVector.y = 0;
bottomXVector.y = 0;
Undo.RecordObject(generator, "Modified " + generator.NodeTypeName);
if (!generator.IsEllipsoid)
{
if (prevBottomXVector != bottomXVector)
{
bottomZVector = Vector3.Cross(normal, bottomXVector.normalized) * bottomXVector.magnitude;
}
if (prevTopXVector != topXVector)
{
topZVector = Vector3.Cross(normal, topXVector.normalized) * topXVector.magnitude;
}
}
if (prevTopXVector != topXVector)
{
generator.Rotation = Utilities.GeometryMath.SignedAngle(Vector3.right, topXVector.normalized, Vector3.up);
}
else if (prevBottomXVector != bottomXVector)
{
generator.Rotation = Utilities.GeometryMath.SignedAngle(Vector3.right, bottomXVector.normalized, Vector3.up);
}
if (generator.IsEllipsoid)
{
generator.BottomDiameterX = bottomXVector.magnitude * 2.0f;
generator.BottomDiameterZ = bottomZVector.magnitude * 2.0f;
generator.TopDiameterX = topXVector.magnitude * 2.0f;
generator.TopDiameterZ = topZVector.magnitude * 2.0f;
}
else
{
if (prevBottomZVector != bottomZVector)
{
generator.BottomDiameterX = bottomZVector.magnitude * 2.0f;
generator.BottomDiameterZ = bottomZVector.magnitude * 2.0f;
}
else
{
generator.BottomDiameterX = bottomXVector.magnitude * 2.0f;
generator.BottomDiameterZ = bottomXVector.magnitude * 2.0f;
}
if (prevTopZVector != topZVector)
{
generator.TopDiameterX = topZVector.magnitude * 2.0f;
generator.TopDiameterZ = topZVector.magnitude * 2.0f;
}
else
{
generator.TopDiameterX = topXVector.magnitude * 2.0f;
generator.TopDiameterZ = topXVector.magnitude * 2.0f;
}
}
}
const float kLineDash = 2.0f;
const float kLineThickness = 1.0f;
const float kCircleThickness = 1.5f;
const float kCapLineThickness = 2.0f;
const float kCapLineThicknessSelected = 2.5f;
const int kMaxOutlineSides = 32;
const int kMinimumSides = 8;
var baseColor = UnityEditor.Handles.yAxisColor;
BrushMeshFactory.GetConicalFrustumVertices(tempBottom, tempTop, generator.Rotation, sides, ref vertices);
if (generator.TopHeight < generator.BottomHeight)
{
normal = -normal;
}
var isTopBackfaced = IsSufaceBackFaced(topPoint, normal);
var topHasFocus = (focusControl == topId);
var topThickness = topHasFocus ? kCapLineThicknessSelected : kCapLineThickness;
var isBottomBackfaced = IsSufaceBackFaced(bottomPoint, -normal);
var bottomHasFocus = (focusControl == bottomId);
var bottomThickness = bottomHasFocus ? kCapLineThicknessSelected : kCapLineThickness;
UnityEditor.Handles.color = GetColorForState(baseColor, bottomHasFocus, isBottomBackfaced, isDisabled);
ChiselOutlineRenderer.DrawLineLoop(vertices, 0, sides, thickness: bottomThickness);
UnityEditor.Handles.color = GetColorForState(baseColor, topHasFocus, isTopBackfaced, isDisabled);
ChiselOutlineRenderer.DrawLineLoop(vertices, sides, sides, thickness: topThickness);
UnityEditor.Handles.color = GetColorForState(baseColor, false, false, isDisabled);
for (int i = 0; i < sides; i++)
{
ChiselOutlineRenderer.DrawLine(vertices[i], vertices[i + sides], lineMode: LineMode.ZTest, thickness: kLineThickness);
}
UnityEditor.Handles.color = GetColorForState(baseColor, false, true, isDisabled);
for (int i = 0; i < sides; i++)
{
ChiselOutlineRenderer.DrawLine(vertices[i], vertices[i + sides], lineMode: LineMode.NoZTest, thickness: kLineThickness);
}
/*
* var point0 = camera.WorldToScreenPoint(topPoint);
* var direction = camera.ScreenToWorldPoint(point0 - Vector3.right);
* var point1 = camera.WorldToScreenPoint(point0 - (direction * tempTop.diameterX));
* var size = Mathf.Max(point1.x - point0.x, point1.y - point0.y);
*/
// TODO: figure out how to reduce the sides of the circle depending on radius & distance
int outlineSides = kMaxOutlineSides;
if (sides <= kMinimumSides)
{
BrushMeshFactory.GetConicalFrustumVertices(tempBottom, tempTop, generator.Rotation, outlineSides, ref dottedVertices);
UnityEditor.Handles.color = GetColorForState(baseColor, topHasFocus, false, isDisabled);
ChiselOutlineRenderer.DrawLineLoop(dottedVertices, outlineSides, outlineSides, lineMode: LineMode.ZTest, thickness: kCircleThickness, dashSize: kLineDash);
UnityEditor.Handles.color = GetColorForState(baseColor, topHasFocus, true, isDisabled);
ChiselOutlineRenderer.DrawLineLoop(dottedVertices, outlineSides, outlineSides, lineMode: LineMode.NoZTest, thickness: kCircleThickness, dashSize: kLineDash);
UnityEditor.Handles.color = GetColorForState(baseColor, bottomHasFocus, false, isDisabled);
ChiselOutlineRenderer.DrawLineLoop(dottedVertices, 0, outlineSides, lineMode: LineMode.ZTest, thickness: kCircleThickness, dashSize: kLineDash);
UnityEditor.Handles.color = GetColorForState(baseColor, bottomHasFocus, true, isDisabled);
ChiselOutlineRenderer.DrawLineLoop(dottedVertices, 0, outlineSides, lineMode: LineMode.NoZTest, thickness: kCircleThickness, dashSize: kLineDash);
}
EditorGUI.BeginChangeCheck();
{
UnityEditor.Handles.color = GetColorForState(baseColor, bottomHasFocus, isBottomBackfaced, isDisabled);
bottomPoint = UnitySceneExtensions.SceneHandles.DirectionHandle(bottomId, bottomPoint, -normal);
UnityEditor.Handles.color = GetColorForState(baseColor, topHasFocus, isTopBackfaced, isDisabled);
topPoint = UnitySceneExtensions.SceneHandles.DirectionHandle(topId, topPoint, normal);
}
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(generator, "Modified " + generator.NodeTypeName);
generator.TopHeight = Vector3.Dot(Vector3.up, topPoint);
generator.BottomHeight = Vector3.Dot(Vector3.up, bottomPoint);
}
}