static Vector3[] vertices = null; // TODO: store this per instance? or just allocate every frame?
public void OnEdit(IChiselHandles handles)
{
var baseColor = handles.color;
var normal = Vector3.up;
if (BrushMeshFactory.GenerateCapsuleVertices(ref this, ref vertices))
{
handles.color = handles.GetStateColor(baseColor, false, false);
DrawOutline(handles, this, vertices, lineMode: LineMode.ZTest);
handles.color = handles.GetStateColor(baseColor, false, true);
DrawOutline(handles, this, vertices, lineMode: LineMode.NoZTest);
handles.color = baseColor;
}
var topPoint = normal * (this.offsetY + this.height);
var bottomPoint = normal * (this.offsetY);
var middlePoint = normal * (this.offsetY + (this.height * 0.5f));
var radius2D = new Vector2(this.diameterX, this.diameterZ) * 0.5f;
var topHeight = this.topHeight;
var bottomHeight = this.bottomHeight;
var maxTopHeight = this.height - bottomHeight;
var maxBottomHeight = this.height - topHeight;
if (this.height < 0)
{
normal = -normal;
}
var prevModified = handles.modified;
{
handles.color = baseColor;
// TODO: make it possible to (optionally) size differently in x & z
var radius2Dx = radius2D.x;
handles.DoRadiusHandle(ref radius2Dx, normal, middlePoint);
radius2D.x = radius2Dx;
{
var isTopBackfaced = handles.IsSufaceBackFaced(topPoint, normal);
var topLoopHasFocus = false;
handles.backfaced = isTopBackfaced;
for (int j = this.sides - 1, i = 0; i < this.sides; j = i, i++)
{
var from = vertices[j + this.topVertexOffset];
var to = vertices[i + this.topVertexOffset];
if (handles.DoEdgeHandle1DOffset(out var edgeOffset, UnitySceneExtensions.Axis.Y, from, to, renderLine: false))
{
topHeight = Mathf.Clamp(topHeight - edgeOffset, 0, maxTopHeight);
}
topLoopHasFocus = topLoopHasFocus || handles.lastHandleHadFocus;
}
handles.color = baseColor;
handles.DoDirectionHandle(ref topPoint, normal);
var topHasFocus = handles.lastHandleHadFocus;
handles.backfaced = false;
topLoopHasFocus = topLoopHasFocus || (topHasFocus && !this.haveRoundedTop);
var thickness = topLoopHasFocus ? kCapLineThicknessSelected : kCapLineThickness;
handles.color = handles.GetStateColor(baseColor, topLoopHasFocus, true);
handles.DrawLineLoop(vertices, this.topVertexOffset, this.sides, lineMode: LineMode.NoZTest, thickness: thickness);
handles.color = handles.GetStateColor(baseColor, topLoopHasFocus, false);
handles.DrawLineLoop(vertices, this.topVertexOffset, this.sides, lineMode: LineMode.ZTest, thickness: thickness);
}
{
var isBottomBackfaced = handles.IsSufaceBackFaced(bottomPoint, -normal);
var bottomLoopHasFocus = false;
handles.backfaced = isBottomBackfaced;
for (int j = this.sides - 1, i = 0; i < this.sides; j = i, i++)
{
var from = vertices[j + this.bottomVertexOffset];
var to = vertices[i + this.bottomVertexOffset];
if (handles.DoEdgeHandle1DOffset(out var edgeOffset, UnitySceneExtensions.Axis.Y, from, to, renderLine: false))
{
bottomHeight = Mathf.Clamp(bottomHeight + edgeOffset, 0, maxBottomHeight);
}
bottomLoopHasFocus = bottomLoopHasFocus || handles.lastHandleHadFocus;
}
handles.color = baseColor;
handles.DoDirectionHandle(ref bottomPoint, -normal);
var bottomHasFocus = handles.lastHandleHadFocus;
handles.backfaced = false;
bottomLoopHasFocus = bottomLoopHasFocus || (bottomHasFocus && !this.haveRoundedBottom);
var thickness = bottomLoopHasFocus ? kCapLineThicknessSelected : kCapLineThickness;
handles.color = handles.GetStateColor(baseColor, bottomLoopHasFocus, true);
handles.DrawLineLoop(vertices, this.bottomVertexOffset, this.sides, lineMode: LineMode.NoZTest, thickness: thickness);
handles.color = handles.GetStateColor(baseColor, bottomLoopHasFocus, false);
handles.DrawLineLoop(vertices, this.bottomVertexOffset, this.sides, lineMode: LineMode.ZTest, thickness: thickness);
}
}
if (prevModified != handles.modified)
{
this.diameterX = radius2D.x * 2.0f;
this.height = topPoint.y - bottomPoint.y;
this.diameterZ = radius2D.x * 2.0f;
this.offsetY = bottomPoint.y;
this.topHeight = topHeight;
this.bottomHeight = bottomHeight;
// TODO: handle sizing down (needs to modify transformation?)
}
}
public void OnEdit(IChiselHandles handles)
{
var baseColor = handles.color;
var upVector = Vector3.up;
var rightVector = Vector3.right;
var forwardVector = Vector3.forward;
Vector3[] vertices = null;
if (BrushMeshFactory.GenerateStadiumVertices(this, ref vertices))
{
handles.color = handles.GetStateColor(baseColor, false, false);
DrawOutline(handles, this, vertices, lineMode: LineMode.ZTest);
handles.color = handles.GetStateColor(baseColor, false, true);
DrawOutline(handles, this, vertices, lineMode: LineMode.NoZTest);
handles.color = baseColor;
}
var height = this.height;
var length = this.length;
var diameter = this.diameter;
var sides = this.sides;
var firstTopSide = this.firstTopSide;
var lastTopSide = this.lastTopSide;
var firstBottomSide = this.firstBottomSide;
var lastBottomSide = this.lastBottomSide;
var haveRoundedTop = this.haveRoundedTop;
var haveRoundedBottom = this.haveRoundedBottom;
var haveCenter = this.haveCenter;
var topLength = this.topLength;
var bottomLength = this.bottomLength;
var midY = height * 0.5f;
var halfLength = length * 0.5f;
var midZ = ((halfLength - (haveRoundedTop ? topLength : 0)) - (halfLength - (haveRoundedBottom ? bottomLength : 0))) * -0.5f;
// haveCenter ? ((vertices[firstTopSide].z + vertices[firstBottomSide].z) * 0.5f) : 0;
var topPoint = new Vector3(0, height, midZ);
var bottomPoint = new Vector3(0, 0, midZ);
var frontPoint = new Vector3(0, midY, halfLength);
var backPoint = new Vector3(0, midY, -halfLength);
var leftPoint = new Vector3(diameter * 0.5f, midY, midZ);
var rightPoint = new Vector3(diameter * -0.5f, midY, midZ);
{
{
var isTopBackfaced = handles.IsSufaceBackFaced(topPoint, upVector);
handles.backfaced = isTopBackfaced;
handles.DoDirectionHandle(ref topPoint, upVector);
var topHasFocus = handles.lastHandleHadFocus;
handles.backfaced = false;
//if (this.haveRoundedTop)
{
var thickness = topHasFocus ? kCapLineThicknessSelected : kCapLineThickness;
handles.color = handles.GetStateColor(handles.color, topHasFocus, true);
handles.DrawLineLoop(vertices, sides, sides, lineMode: LineMode.NoZTest, thickness: thickness);
if (haveRoundedTop)
{
handles.DrawLine(vertices[sides + firstTopSide], vertices[sides + lastTopSide], lineMode: LineMode.NoZTest, thickness: kVertLineThickness);
}
if (haveRoundedBottom && haveCenter)
{
handles.DrawLine(vertices[sides + firstBottomSide], vertices[sides + lastBottomSide], lineMode: LineMode.NoZTest, thickness: kVertLineThickness);
}
handles.color = handles.GetStateColor(handles.color, topHasFocus, false);
handles.DrawLineLoop(vertices, sides, sides, lineMode: LineMode.ZTest, thickness: thickness);
if (haveRoundedTop)
{
handles.DrawLine(vertices[sides + firstTopSide], vertices[sides + lastTopSide], lineMode: LineMode.ZTest, thickness: kVertLineThickness);
}
if (haveRoundedBottom && haveCenter)
{
handles.DrawLine(vertices[sides + firstBottomSide], vertices[sides + lastBottomSide], lineMode: LineMode.ZTest, thickness: kVertLineThickness);
}
}
}
{
var isBottomBackfaced = handles.IsSufaceBackFaced(bottomPoint, -upVector);
handles.backfaced = isBottomBackfaced;
handles.DoDirectionHandle(ref bottomPoint, -upVector);
var bottomHasFocus = handles.lastHandleHadFocus;
handles.backfaced = false;
//if (this.haveRoundedBottom)
{
var thickness = bottomHasFocus ? kCapLineThicknessSelected : kCapLineThickness;
handles.color = handles.GetStateColor(baseColor, bottomHasFocus, true);
handles.DrawLineLoop(vertices, 0, sides, lineMode: LineMode.NoZTest, thickness: thickness);
if (haveRoundedTop)
{
handles.DrawLine(vertices[firstTopSide], vertices[lastTopSide], lineMode: LineMode.NoZTest, thickness: kVertLineThickness);
}
if (haveRoundedBottom && haveCenter)
{
handles.DrawLine(vertices[firstBottomSide], vertices[lastBottomSide], lineMode: LineMode.NoZTest, thickness: kVertLineThickness);
}
handles.color = handles.GetStateColor(baseColor, bottomHasFocus, false);
handles.DrawLineLoop(vertices, 0, sides, lineMode: LineMode.ZTest, thickness: thickness);
if (haveRoundedTop)
{
handles.DrawLine(vertices[firstTopSide], vertices[lastTopSide], lineMode: LineMode.ZTest, thickness: kVertLineThickness);
}
if (haveRoundedBottom && haveCenter)
{
handles.DrawLine(vertices[firstBottomSide], vertices[lastBottomSide], lineMode: LineMode.ZTest, thickness: kVertLineThickness);
}
}
}
{
var isTopBackfaced = handles.IsSufaceBackFaced(frontPoint, forwardVector);
handles.backfaced = isTopBackfaced;
handles.DoDirectionHandle(ref frontPoint, forwardVector);
handles.backfaced = false;
}
{
var isBottomBackfaced = handles.IsSufaceBackFaced(backPoint, -forwardVector);
handles.backfaced = isBottomBackfaced;
handles.DoDirectionHandle(ref backPoint, -forwardVector);
handles.backfaced = false;
}
{
var isTopBackfaced = handles.IsSufaceBackFaced(leftPoint, rightVector);
handles.backfaced = isTopBackfaced;
handles.DoDirectionHandle(ref leftPoint, rightVector);
handles.backfaced = false;
}
{
var isBottomBackfaced = handles.IsSufaceBackFaced(rightPoint, -rightVector);
handles.backfaced = isBottomBackfaced;
handles.DoDirectionHandle(ref rightPoint, -rightVector);
handles.backfaced = false;
}
}
if (handles.modified)
{
this.height = topPoint.y - bottomPoint.y;
this.length = Mathf.Max(0, frontPoint.z - backPoint.z);
this.diameter = leftPoint.x - rightPoint.x;
// TODO: handle sizing in some directions (needs to modify transformation?)
}
}
