public static bool GenerateCapsule(ref BrushMesh brushMesh, ref ChiselCapsuleDefinition definition)
{
Vector3[] vertices = null;
if (!BrushMeshFactory.GenerateCapsuleVertices(ref definition, ref vertices))
{
brushMesh.Clear();
return(false);
}
// TODO: share this with GenerateCapsuleVertices
var bottomCap = !definition.haveRoundedBottom;
var topCap = !definition.haveRoundedTop;
var sides = definition.sides;
var segments = definition.segments;
var bottomVertex = definition.bottomVertex;
var topVertex = definition.topVertex;
if (!BrushMeshFactory.GenerateSegmentedSubMesh(ref brushMesh,
sides, segments,
vertices,
topCap, bottomCap,
topVertex, bottomVertex,
definition.surfaceDefinition))
{
brushMesh.Clear();
return(false);
}
return(true);
}
public static bool GenerateCapsule(ref ChiselBrushContainer brushContainer, ref ChiselCapsuleDefinition definition)
{
definition.Validate();
Vector3[] vertices = null;
if (!BrushMeshFactory.GenerateCapsuleVertices(ref definition, ref vertices))
{
return(false);
}
// TODO: share this with GenerateCapsuleVertices
var bottomCap = !definition.haveRoundedBottom;
var topCap = !definition.haveRoundedTop;
var sides = definition.sides;
var segments = definition.segments;
var bottomVertex = definition.bottomVertex;
var topVertex = definition.topVertex;
brushContainer.EnsureSize(1);
return(BrushMeshFactory.GenerateSegmentedSubMesh(ref brushContainer.brushMeshes[0],
sides, segments,
vertices,
topCap, bottomCap,
topVertex, bottomVertex,
definition.surfaceDefinition));
}
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?)
}
}
