public override void OnEdit(IChiselHandles handles)
{
var normal = Vector3.up;
var topDirection = Vector3.forward;
var lowDirection = Vector3.forward;
var originalOuterDiameter = settings.outerDiameter;
var originalInnerDiameter = settings.innerDiameter;
var originalStartAngle = settings.startAngle;
var originalStepHeight = settings.stepHeight;
var originalRotation = settings.rotation;
var originalHeight = settings.height;
var originalOrigin = settings.origin;
var cylinderTop = new BrushMeshFactory.ChiselCircleDefinition {
diameterX = 1, diameterZ = 1, height = originalOrigin.y + originalHeight
};
var cylinderLow = new BrushMeshFactory.ChiselCircleDefinition {
diameterX = 1, diameterZ = 1, height = 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;
{
var currRotation = startAngle + rotation;
handles.DoRotatableLineHandle(ref startAngle, lowPoint, outerDiameter * 0.5f, normal, lowDirection, Vector3.Cross(normal, lowDirection));
handles.DoRotatableLineHandle(ref currRotation, topPoint, outerDiameter * 0.5f, normal, topDirection, Vector3.Cross(normal, topDirection));
if (handles.modified)
{
rotation = currRotation - startAngle;
}
// 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?
handles.DoDirectionHandle(ref topPoint, normal, snappingStep: originalStepHeight);
topPoint.y = math.max(lowPoint.y + originalStepHeight, topPoint.y);
handles.DoDirectionHandle(ref lowPoint, -normal, snappingStep: originalStepHeight);
lowPoint.y = math.min(topPoint.y - originalStepHeight, lowPoint.y);
float minOuterDiameter = innerDiameter + ChiselSpiralStairs.kMinStairsDepth;
{
var outerRadius = outerDiameter * 0.5f;
handles.DoRadiusHandle(ref outerRadius, Vector3.up, topPoint, renderDisc: false);
handles.DoRadiusHandle(ref outerRadius, Vector3.up, lowPoint, renderDisc: false);
outerDiameter = math.max(minOuterDiameter, outerRadius * 2.0f);
}
float maxInnerDiameter = outerDiameter - ChiselSpiralStairs.kMinStairsDepth;
{
var innerRadius = innerDiameter * 0.5f;
handles.DoRadiusHandle(ref innerRadius, Vector3.up, midPoint, renderDisc: false);
innerDiameter = math.min(maxInnerDiameter, innerRadius * 2.0f);
}
// TODO: somehow put this into a separate renderer
cylinderTop.diameterZ = cylinderTop.diameterX = cylinderLow.diameterZ = cylinderLow.diameterX = originalInnerDiameter;
BrushMeshFactory.GetConicalFrustumVertices(cylinderLow, cylinderTop, 0, settings.innerSegments, ref s_InnerVertices);
cylinderTop.diameterZ = cylinderTop.diameterX = cylinderLow.diameterZ = cylinderLow.diameterX = originalOuterDiameter;
BrushMeshFactory.GetConicalFrustumVertices(cylinderLow, cylinderTop, 0, settings.outerSegments, ref s_OuterVertices);
var originalColor = handles.color;
var color = handles.color;
var outlineColor = Color.black;
outlineColor.a = color.a;
handles.color = outlineColor;
{
var sides = settings.outerSegments;
for (int i = 0, j = sides - 1; i < sides; j = i, i++)
{
var t0 = s_OuterVertices[i];
var t1 = s_OuterVertices[j];
var b0 = s_OuterVertices[i + sides];
var b1 = s_OuterVertices[j + sides];
handles.DrawLine(t0, b0, thickness: 1.0f);
handles.DrawLine(t0, t1, thickness: 1.0f);
handles.DrawLine(b0, b1, thickness: 1.0f);
}
}
{
var sides = settings.innerSegments;
for (int i = 0, j = sides - 1; i < sides; j = i, i++)
{
var t0 = s_InnerVertices[i];
var t1 = s_InnerVertices[j];
var b0 = s_InnerVertices[i + sides];
var b1 = s_InnerVertices[j + sides];
handles.DrawLine(t0, b0, thickness: 1.0f);
handles.DrawLine(t0, t1, thickness: 1.0f);
handles.DrawLine(b0, b1, thickness: 1.0f);
}
}
handles.color = originalColor;
{
var sides = settings.outerSegments;
for (int i = 0, j = sides - 1; i < sides; j = i, i++)
{
var t0 = s_OuterVertices[i];
var t1 = s_OuterVertices[j];
var b0 = s_OuterVertices[i + sides];
var b1 = s_OuterVertices[j + sides];
handles.DrawLine(t0, b0, thickness: 1.0f);
handles.DrawLine(t0, t1, thickness: 1.0f);
handles.DrawLine(b0, b1, thickness: 1.0f);
}
}
{
var sides = settings.innerSegments;
for (int i = 0, j = sides - 1; i < sides; j = i, i++)
{
var t0 = s_InnerVertices[i];
var t1 = s_InnerVertices[j];
var b0 = s_InnerVertices[i + sides];
var b1 = s_InnerVertices[j + sides];
handles.DrawLine(t0, b0, thickness: 1.0f);
handles.DrawLine(t0, t1, thickness: 1.0f);
handles.DrawLine(b0, b1, thickness: 1.0f);
var m0 = (t0 + b0) * 0.5f;
var m1 = (t1 + b1) * 0.5f;
handles.DrawLine(m0, m1, thickness: 2.0f);
}
}
}
if (handles.modified)
{
settings.outerDiameter = outerDiameter;
settings.innerDiameter = innerDiameter;
settings.startAngle = startAngle;
settings.rotation = rotation;
if (topPoint != originalTopPoint)
{
settings.height = topPoint.y - lowPoint.y;
}
if (lowPoint != originalLowPoint)
{
settings.height = topPoint.y - lowPoint.y;
var newOrigin = originalOrigin;
newOrigin.y += lowPoint.y - originalLowPoint.y;
settings.origin = newOrigin;
}
}
}
