private void DrawQuadTilePreview(PlanarManifoldGenerator generator, Vector3 root, float previewSize)
{
Vector2 p0 = Vector2.zero;
Vector2 p1 = generator.axis1;
Vector2 p2 = generator.axis0 + generator.axis1;
Vector2 p3 = generator.axis0;
Vector2 min = Vector2.Min(Vector2.Min(Vector2.Min(p0, p1), p2), p3);
Vector2 max = Vector2.Max(Vector2.Max(Vector2.Max(p0, p1), p2), p3);
float maxRange = Mathf.Max(max.x - min.x, max.y - min.y);
Vector2 margin = new Vector2(maxRange - (max.x - min.x), maxRange - (max.y - min.y)) * 0.5f;
float scale = previewSize / maxRange;
Vector2 offset = margin - min;
Vector3 v0 = root + (Vector3)(InvertY(p0 + offset, maxRange)) * scale;
Vector3 v1 = root + (Vector3)(InvertY(p1 + offset, maxRange)) * scale;
Vector3 v2 = root + (Vector3)(InvertY(p2 + offset, maxRange)) * scale;
Vector3 v3 = root + (Vector3)(InvertY(p3 + offset, maxRange)) * scale;
Handles.color = fillColor;
Handles.DrawAAConvexPolygon(v0, v1, v2, v3);
Handles.color = outlineColor;
Handles.DrawAAPolyLine(v0, v1, v2, v3, v0);
Handles.color = Handles.xAxisColor;
Handles.DrawAAPolyLine(v0, v3);
Handles.color = ChangeAlpha(Handles.xAxisColor, 0.25f);
Handles.DrawSolidDisc(v3, Vector3.back, 5f);
Handles.color = Handles.xAxisColor;
Handles.DrawWireDisc(v3, Vector3.back, 5f);
Handles.color = Handles.yAxisColor;
Handles.DrawAAPolyLine(v0, v1);
Handles.color = ChangeAlpha(Handles.yAxisColor, 0.25f);
Handles.DrawSolidDisc(v1, Vector3.back, 5f);
Handles.color = Handles.yAxisColor;
Handles.DrawWireDisc(v1, Vector3.back, 5f);
}
private void DrawHexTile3x3Preview(PlanarManifoldGenerator generator, RectangularHexGrid surface, Topology topology, Vector3[] vertexPositions, Vector3 root, float previewSize)
{
var adjustedVertexPositions = new Vector3[vertexPositions.Length].AsVertexAttribute();
Vector3 min = vertexPositions[0];
Vector3 max = vertexPositions[0];
for (int i = 1; i < vertexPositions.Length; ++i)
{
min = Vector3.Min(min, vertexPositions[i]);
max = Vector3.Max(max, vertexPositions[i]);
}
Vector3 range = max - min;
float maxRange = Mathf.Max(range.x, range.y);
Vector3 margin = (new Vector3(maxRange, maxRange, 0f) - range) * 0.5f;
Vector3 offset = margin - min;
float scale = previewSize / maxRange;
for (int i = 0; i < vertexPositions.Length; ++i)
{
adjustedVertexPositions[i] = AdjustPosition(vertexPositions[i], offset, root, maxRange, scale);
}
var faceVertexPositions = new Vector3[6];
Handles.color = fillColor;
foreach (var face in topology.internalFaces)
{
var edge = face.firstEdge;
for (int i = 0; i < 6; ++i)
{
faceVertexPositions[i] = adjustedVertexPositions[edge];
edge = edge.next;
}
Handles.DrawAAConvexPolygon(faceVertexPositions);
}
Handles.color = outlineColor;
foreach (var edge in topology.vertexEdges)
{
if (edge.nearVertex < edge.farVertex)
{
Handles.DrawAAPolyLine(adjustedVertexPositions[edge.nearVertex], adjustedVertexPositions[edge.farVertex]);
}
}
var p0 = adjustedVertexPositions[surface.GetVertexIndex(0, 0)];;
if (!generator.swapAxes)
{
var a01 = adjustedVertexPositions[surface.GetVertexIndex(2, 0)];
var a02 = adjustedVertexPositions[surface.GetVertexIndex(4, 0)];
var a11 = adjustedVertexPositions[surface.GetVertexIndex(0, 1)];
var a12 = adjustedVertexPositions[surface.GetVertexIndex(0, 2)];
Handles.color = Handles.xAxisColor;
Handles.DrawAAPolyLine(p0, a01, a02);
Handles.DrawSolidDisc(a01, Vector3.back, 3f);
Handles.DrawSolidDisc(a02, Vector3.back, 3f);
if (generator.hexGridAxisStyle != HexGridAxisStyles.Straight)
{
Handles.color = ChangeAlpha(Handles.yAxisColor + Color.white * 0.25f, 0.75f);
Handles.DrawAAPolyLine(p0, a12);
}
Handles.color = Handles.yAxisColor;
Handles.DrawAAPolyLine(p0, a11, a12);
Handles.DrawSolidDisc(a11, Vector3.back, 3f);
Handles.DrawSolidDisc(a12, Vector3.back, 3f);
}
else
{
var a01 = adjustedVertexPositions[surface.GetVertexIndex(1, 0)];
var a02 = adjustedVertexPositions[surface.GetVertexIndex(2, 0)];
var a11 = adjustedVertexPositions[surface.GetVertexIndex(0, 2)];
var a12 = adjustedVertexPositions[surface.GetVertexIndex(0, 4)];
if (generator.hexGridAxisStyle != HexGridAxisStyles.Straight)
{
Handles.color = ChangeAlpha(Handles.xAxisColor + Color.white * 0.25f, 0.75f);
Handles.DrawAAPolyLine(p0, a02);
}
Handles.color = Handles.xAxisColor;
Handles.DrawAAPolyLine(p0, a01, a02);
Handles.DrawSolidDisc(a01, Vector3.back, 3f);
Handles.DrawSolidDisc(a02, Vector3.back, 3f);
Handles.color = Handles.yAxisColor;
Handles.DrawAAPolyLine(p0, a11, a12);
Handles.DrawSolidDisc(a11, Vector3.back, 3f);
Handles.DrawSolidDisc(a12, Vector3.back, 3f);
}
}
private void DrawHexTilePreview(PlanarManifoldGenerator generator, RectangularHexGrid surface, Topology topology, Vector3[] vertexPositions, Vector3 root, float previewSize)
{
var face = topology.internalFaces[0];
var adjustedVertexPositions = new Vector3[face.neighborCount].AsVertexAttribute();
var firstEdge = face.firstEdge;
var pos = vertexPositions[firstEdge.vertex.index];
Vector3 min = pos;
Vector3 max = pos;
var edge = firstEdge.next;
while (edge != firstEdge)
{
pos = vertexPositions[edge.vertex.index];
min = Vector3.Min(min, pos);
max = Vector3.Max(max, pos);
edge = edge.next;
}
Vector3 range = max - min;
float maxRange = Mathf.Max(range.x, range.y);
Vector3 margin = (new Vector3(maxRange, maxRange, 0f) - range) * 0.5f;
Vector3 offset = margin - min;
float scale = previewSize / maxRange;
for (int i = 0; i < face.neighborCount; ++i)
{
adjustedVertexPositions[i] = AdjustPosition(vertexPositions[edge.vertex.index], offset, root, maxRange, scale);
edge = edge.next;
}
Handles.color = fillColor;
Handles.DrawAAConvexPolygon(adjustedVertexPositions.array);
Handles.color = outlineColor;
Handles.DrawAAPolyLine(adjustedVertexPositions.array);
Handles.DrawAAPolyLine(adjustedVertexPositions[5], adjustedVertexPositions[0]);
Vector2 pC = (vertexPositions[firstEdge.vertex.index] + vertexPositions[firstEdge.next.next.next.vertex.index]) * 0.5f;
Vector3 vC = AdjustPosition(pC, offset, root, maxRange, scale);
Vector3 v2 = AdjustPosition(pC + generator.majorCorner, offset, root, maxRange, scale);
Vector3 v3 = AdjustPosition(pC + generator.minorCorner, offset, root, maxRange, scale);
Vector3 vM = AdjustPosition(pC + generator.midpoint, offset, root, maxRange, scale);
var midpointColor = generator.swapAxes ? Handles.yAxisColor : Handles.xAxisColor;
Handles.color = midpointColor;
Handles.DrawAAPolyLine(vC, vM);
Handles.color = ChangeAlpha(midpointColor, 0.25f);
Handles.DrawSolidDisc(vM, Vector3.back, 5f);
Handles.color = midpointColor;
Handles.DrawWireDisc(vM, Vector3.back, 5f);
Color majorCornerColor;
if (generator.hexGridAxisStyle == HexGridAxisStyles.Straight)
{
majorCornerColor = Embolden(Average(Handles.xAxisColor, Handles.yAxisColor));
}
else
{
majorCornerColor = generator.swapAxes ? Handles.xAxisColor : Handles.yAxisColor;
}
Handles.color = majorCornerColor;
Handles.DrawAAPolyLine(vC, v2);
Handles.color = ChangeAlpha(majorCornerColor, 0.25f);
Handles.DrawSolidDisc(v2, Vector3.back, 5f);
Handles.color = majorCornerColor;
Handles.DrawWireDisc(v2, Vector3.back, 5f);
Color minorCornerColor = Handles.zAxisColor;
Handles.color = minorCornerColor;
Handles.DrawAAPolyLine(vC, v3);
Handles.color = ChangeAlpha(minorCornerColor, 0.25f);
Handles.DrawSolidDisc(v3, Vector3.back, 5f);
Handles.color = minorCornerColor;
Handles.DrawWireDisc(v3, Vector3.back, 5f);
if (generator.hexGridAxisStyle == HexGridAxisStyles.Straight)
{
Handles.color = generator.swapAxes ? Handles.xAxisColor : Handles.yAxisColor;
Handles.DrawAAPolyLine(vC, (v2 + v3) * 0.5f);
}
}
private void DrawQuadTile3x3Preview(PlanarManifoldGenerator generator, Topology topology, Vector3[] vertexPositions, Vector3 root, float previewSize)
{
var adjustedVertexPositions = new Vector3[vertexPositions.Length].AsVertexAttribute();
Vector3 min = vertexPositions[0];
Vector3 max = vertexPositions[0];
for (int i = 1; i < vertexPositions.Length; ++i)
{
min = Vector3.Min(min, vertexPositions[i]);
max = Vector3.Max(max, vertexPositions[i]);
}
Vector3 range = max - min;
float maxRange = Mathf.Max(range.x, range.y);
Vector3 margin = (new Vector3(maxRange, maxRange, 0f) - range) * 0.5f;
Vector3 offset = margin - min;
float scale = previewSize / maxRange;
for (int i = 0; i < vertexPositions.Length; ++i)
{
adjustedVertexPositions[i] = AdjustPosition(vertexPositions[i], offset, root, maxRange, scale);
}
var faceVertexPositions = new Vector3[4];
Handles.color = fillColor;
foreach (var face in topology.internalFaces)
{
var edge = face.firstEdge;
for (int i = 0; i < 4; ++i)
{
faceVertexPositions[i] = adjustedVertexPositions[edge];
edge = edge.next;
}
Handles.DrawAAConvexPolygon(faceVertexPositions);
}
Handles.color = outlineColor;
foreach (var edge in topology.vertexEdges)
{
if (edge.nearVertex < edge.farVertex)
{
Handles.DrawAAPolyLine(adjustedVertexPositions[edge.nearVertex], adjustedVertexPositions[edge.farVertex]);
}
}
var p0 = AdjustPosition(Vector3.zero, offset, root, maxRange, scale);
var a01 = AdjustPosition(generator.axis0 * 1f, offset, root, maxRange, scale);
var a02 = AdjustPosition(generator.axis0 * 2f, offset, root, maxRange, scale);
var a03 = AdjustPosition(generator.axis0 * 3f, offset, root, maxRange, scale);
var a11 = AdjustPosition(generator.axis1 * 1f, offset, root, maxRange, scale);
var a12 = AdjustPosition(generator.axis1 * 2f, offset, root, maxRange, scale);
var a13 = AdjustPosition(generator.axis1 * 3f, offset, root, maxRange, scale);
Handles.color = Handles.xAxisColor;
Handles.DrawAAPolyLine(p0, a03);
Handles.DrawSolidDisc(a01, Vector3.back, 3f);
Handles.DrawSolidDisc(a02, Vector3.back, 3f);
Handles.DrawSolidDisc(a03, Vector3.back, 3f);
Handles.color = Handles.yAxisColor;
Handles.DrawAAPolyLine(p0, a13);
Handles.DrawSolidDisc(a11, Vector3.back, 3f);
Handles.DrawSolidDisc(a12, Vector3.back, 3f);
Handles.DrawSolidDisc(a13, Vector3.back, 3f);
}