public static void RenderShape(Matrix4x4 transformation, Curve2D shape, float height)
{
if (Event.current.type != EventType.Repaint)
{
return;
}
if (shape == null ||
shape.controlPoints == null ||
shape.controlPoints.Length == 1)
{
return;
}
using (new SceneHandles.DrawingScope(transformation))
{
for (int j = shape.controlPoints.Length - 1, i = 0; i < shape.controlPoints.Length; j = i, i++)
{
var controlPointJ = shape.controlPoints[j].position;
var controlPointI = shape.controlPoints[i].position;
var pointJ0 = new Vector3(controlPointJ.x, 0, controlPointJ.y);
var pointI0 = new Vector3(controlPointI.x, 0, controlPointI.y);
var pointJ1 = new Vector3(controlPointJ.x, height, controlPointJ.y);
var pointI1 = new Vector3(controlPointI.x, height, controlPointI.y);
SceneHandles.DrawDottedLine(pointJ0, pointI0, 1.0f);
SceneHandles.DrawDottedLine(pointJ1, pointI1, 1.0f);
SceneHandles.DrawDottedLine(pointI0, pointI1, 1.0f);
}
}
}
public static void RenderBox(Matrix4x4 transformation, Bounds bounds)
{
if (Event.current.type != EventType.Repaint)
{
return;
}
using (new SceneHandles.DrawingScope(transformation * Matrix4x4.TRS(bounds.center, Quaternion.identity, bounds.extents)))
{
SceneHandles.DrawDottedLine(boxVertices[0], boxVertices[1], 1.0f);
SceneHandles.DrawDottedLine(boxVertices[1], boxVertices[2], 1.0f);
SceneHandles.DrawDottedLine(boxVertices[2], boxVertices[3], 1.0f);
SceneHandles.DrawDottedLine(boxVertices[3], boxVertices[0], 1.0f);
SceneHandles.DrawDottedLine(boxVertices[4], boxVertices[5], 1.0f);
SceneHandles.DrawDottedLine(boxVertices[5], boxVertices[6], 1.0f);
SceneHandles.DrawDottedLine(boxVertices[6], boxVertices[7], 1.0f);
SceneHandles.DrawDottedLine(boxVertices[7], boxVertices[4], 1.0f);
SceneHandles.DrawDottedLine(boxVertices[0], boxVertices[4], 1.0f);
SceneHandles.DrawDottedLine(boxVertices[1], boxVertices[5], 1.0f);
SceneHandles.DrawDottedLine(boxVertices[2], boxVertices[6], 1.0f);
SceneHandles.DrawDottedLine(boxVertices[3], boxVertices[7], 1.0f);
}
}
public static void RenderSquareXZ(Extents3D extents, float y)
{
var v0 = new Vector3(extents.min.x, y, extents.min.z);
var v1 = new Vector3(extents.min.x, y, extents.max.z);
var v2 = new Vector3(extents.max.x, y, extents.max.z);
var v3 = new Vector3(extents.max.x, y, extents.min.z);
SceneHandles.DrawDottedLine(v0, v1, 1.0f);
SceneHandles.DrawDottedLine(v1, v2, 1.0f);
SceneHandles.DrawDottedLine(v2, v3, 1.0f);
SceneHandles.DrawDottedLine(v3, v0, 1.0f);
}
public static void RenderCylinder(Matrix4x4 transformation, Bounds bounds, int segments)
{
if (Event.current.type != EventType.Repaint ||
segments < 3)
{
return;
}
if (cylinderVertices == null ||
cylinderVertices.Length < segments * 2)
{
cylinderVertices = new Vector3[segments * 2];
}
RenderSquareXZ(transformation, bounds);
if (prevCylinderSegments != segments)
{
prevCylinderSegments = segments;
float angleOffset = ((segments & 1) == 1) ? 0.0f : ((360.0f / segments) * 0.5f);
var xVector = Vector3.right;
var zVector = Vector3.forward;
for (int v = 0; v < segments; v++)
{
var r = (((v * 360.0f) / (float)segments) + angleOffset) * Mathf.Deg2Rad;
var s = Mathf.Sin(r);
var c = Mathf.Cos(r);
var bottomVertex = (xVector * c) + (zVector * s);
var topVertex = bottomVertex;
bottomVertex.y -= 1.0f;
topVertex.y += 1.0f;
cylinderVertices[v] = bottomVertex;
cylinderVertices[v + segments] = topVertex;
}
}
using (new SceneHandles.DrawingScope(transformation * Matrix4x4.TRS(bounds.center, Quaternion.identity, bounds.extents)))
{
for (int n0 = segments - 1, n1 = 0; n1 < segments; n0 = n1, n1++)
{
SceneHandles.DrawDottedLine(cylinderVertices[n0], cylinderVertices[n1], 1.0f);
SceneHandles.DrawDottedLine(cylinderVertices[segments + n0], cylinderVertices[segments + n1], 1.0f);
SceneHandles.DrawDottedLine(cylinderVertices[n1], cylinderVertices[segments + n1], 1.0f);
}
}
}
static void InfiniteLine(float x, float y, float z, Axis axis)
{
const float kLineSize = 1000;
const int kLineParts = 10;
const float kLineMultiply = kLineSize / kLineParts;
switch (axis)
{
case Axis.X:
{
for (int i = 1; i < kLineParts; i++)
{
var n0 = (i - 1) * kLineMultiply;
var n1 = i * kLineMultiply;
SceneHandles.DrawDottedLine(new Vector3(x - n1, y, z), new Vector3(x - n0, y, z), 4.0f);
SceneHandles.DrawDottedLine(new Vector3(x + n0, y, z), new Vector3(x + n1, y, z), 4.0f);
}
break;
}
case Axis.Y:
{
for (int i = 1; i < kLineParts; i++)
{
var n0 = (i - 1) * kLineMultiply;
var n1 = i * kLineMultiply;
SceneHandles.DrawDottedLine(new Vector3(x, y - n1, z), new Vector3(x, y - n0, z), 4.0f);
SceneHandles.DrawDottedLine(new Vector3(x, y + n0, z), new Vector3(x, y + n1, z), 4.0f);
}
break;
}
case Axis.Z:
{
for (int i = 1; i < kLineParts; i++)
{
var n0 = (i - 1) * kLineMultiply;
var n1 = i * kLineMultiply;
SceneHandles.DrawDottedLine(new Vector3(x, y, z - n1), new Vector3(x, y, z - n0), 4.0f);
SceneHandles.DrawDottedLine(new Vector3(x, y, z + n0), new Vector3(x, y, z + n1), 4.0f);
}
break;
}
}
}
public static void RenderSnapping1D(Vector3 min, Vector3 max, Vector3 pivot, Vector3 slideDirection, SnapResult1D snapResult, Axis axis)
{
if (Event.current.type != EventType.Repaint)
{
return;
}
using (new SceneHandles.DrawingScope(Matrix4x4.identity))
{
if (max == min && (snapResult & SnapResult1D.Min) != 0)
{
snapResult &= ~SnapResult1D.Max;
}
if (pivot == min && (snapResult & SnapResult1D.Min) != 0)
{
snapResult &= ~SnapResult1D.Pivot;
}
if (pivot == max && (snapResult & SnapResult1D.Max) != 0)
{
snapResult &= ~SnapResult1D.Pivot;
}
var grid = Grid.ActiveGrid;
var dotX = Mathf.Abs(Vector3.Dot(grid.Forward.normalized, slideDirection));
var dotZ = Mathf.Abs(Vector3.Dot(grid.Right.normalized, slideDirection));
var dotY = Mathf.Abs(Vector3.Dot(grid.Up.normalized, slideDirection));
if ((dotY - dotX) < 0.00001f && (dotY - dotZ) < 0.00001f &&
((1.0f - dotX) < 0.00001f || (1.0f - dotZ) < 0.00001f))
{
var direction = (dotX < dotZ) ? grid.Forward : grid.Right;
if ((snapResult & SnapResult1D.Pivot) != 0)
{
SceneHandles.DrawDottedLine(pivot + (direction * -1000), pivot + (direction * 1000), 4.0f);
}
if ((snapResult & SnapResult1D.Min) != 0)
{
SceneHandles.DrawDottedLine(min + (direction * -1000), min + (direction * 1000), 4.0f);
}
if ((snapResult & SnapResult1D.Max) != 0)
{
SceneHandles.DrawDottedLine(max + (direction * -1000), max + (direction * 1000), 4.0f);
}
}
}
}
public static void RenderSquareXZ(Matrix4x4 transformation, Bounds bounds)
{
using (new SceneHandles.DrawingScope(transformation))
{
var min = bounds.min;
var max = bounds.max;
float minX = min.x, minY = min.y, minZ = min.z;
float maxX = max.x, maxZ = max.z;
var v0 = new Vector3(minX, minY, minZ);
var v1 = new Vector3(minX, minY, maxZ);
var v2 = new Vector3(maxX, minY, maxZ);
var v3 = new Vector3(maxX, minY, minZ);
SceneHandles.DrawDottedLine(v0, v1, 1.0f);
SceneHandles.DrawDottedLine(v1, v2, 1.0f);
SceneHandles.DrawDottedLine(v2, v3, 1.0f);
SceneHandles.DrawDottedLine(v3, v0, 1.0f);
}
}
public static void RenderSquareXZ(Matrix4x4 transformation, Vector3 start, Vector3 end)
{
var right = Vector3.right;
var forward = Vector3.forward;
var delta = (end - start);
var width = Vector3.Dot(right, delta) * (Vector3)right;
var length = Vector3.Dot(forward, delta) * (Vector3)forward;
var v0 = start;
var v1 = start + width;
var v2 = start + width + length;
var v3 = start + length;
using (new SceneHandles.DrawingScope(transformation))
{
SceneHandles.DrawDottedLine(v0, v1, 1.0f);
SceneHandles.DrawDottedLine(v1, v2, 1.0f);
SceneHandles.DrawDottedLine(v2, v3, 1.0f);
SceneHandles.DrawDottedLine(v3, v0, 1.0f);
}
}
public static void RenderSnapping3D(Grid grid, Extents3D extents, Vector3 pivotPosition, SnapResult3D snapResult, bool ignorePivot = false)
{
if (Event.current.type != EventType.Repaint)
{
return;
}
using (new SceneHandles.DrawingScope(grid.GridToWorldSpace))
{
if (extents.min.x == extents.max.x && (snapResult & SnapResult3D.MinX) != 0)
{
snapResult &= ~SnapResult3D.MaxX;
}
if (extents.min.y == extents.max.y && (snapResult & SnapResult3D.MinY) != 0)
{
snapResult &= ~SnapResult3D.MaxY;
}
if (extents.min.z == extents.max.z && (snapResult & SnapResult3D.MinZ) != 0)
{
snapResult &= ~SnapResult3D.MaxZ;
}
if (ignorePivot)
{
snapResult &= ~SnapResult3D.PivotX;
snapResult &= ~SnapResult3D.PivotY;
snapResult &= ~SnapResult3D.PivotZ;
}
else
{
if (extents.min.x == pivotPosition.x && (snapResult & SnapResult3D.MinX) != 0)
{
snapResult &= ~SnapResult3D.PivotX;
}
if (extents.min.y == pivotPosition.y && (snapResult & SnapResult3D.MinY) != 0)
{
snapResult &= ~SnapResult3D.PivotY;
}
if (extents.min.z == pivotPosition.z && (snapResult & SnapResult3D.MinZ) != 0)
{
snapResult &= ~SnapResult3D.PivotZ;
}
if (extents.max.x == pivotPosition.x && (snapResult & SnapResult3D.MaxX) != 0)
{
snapResult &= ~SnapResult3D.PivotX;
}
if (extents.max.y == pivotPosition.y && (snapResult & SnapResult3D.MaxY) != 0)
{
snapResult &= ~SnapResult3D.PivotY;
}
if (extents.max.z == pivotPosition.z && (snapResult & SnapResult3D.MaxZ) != 0)
{
snapResult &= ~SnapResult3D.PivotZ;
}
}
float y = 0;
if (extents.min.y > 0)
{
y = extents.min.y;
}
else if (extents.max.y < 0)
{
y = extents.max.y;
}
RenderCrossXZ(extents, y, pivotPosition, snapResult);
RenderBox(extents);
var color = SceneHandles.color;
color.a *= 0.5f;
SceneHandles.color = color;
if (y != 0)
{
RenderSquareXZ(extents, 0);
if ((snapResult & SnapResult3D.MinX) != 0)
{
var center = new Vector3(extents.min.x, y, pivotPosition.z);
if ((snapResult & SnapResult3D.MinZ) != 0)
{
SceneHandles.DrawDottedLine(new Vector3(center.x, 0, extents.min.z), new Vector3(center.x, center.y, extents.min.z), 4.0f);
}
if ((snapResult & SnapResult3D.MaxZ) != 0)
{
SceneHandles.DrawDottedLine(new Vector3(center.x, 0, extents.max.z), new Vector3(center.x, center.y, extents.max.z), 4.0f);
}
}
if ((snapResult & SnapResult3D.MinZ) != 0)
{
var center = new Vector3(pivotPosition.x, y, extents.min.z);
if ((snapResult & SnapResult3D.MinX) != 0)
{
SceneHandles.DrawDottedLine(new Vector3(extents.min.x, 0, center.z), new Vector3(extents.min.x, center.y, center.z), 4.0f);
}
if ((snapResult & SnapResult3D.MaxX) != 0)
{
SceneHandles.DrawDottedLine(new Vector3(extents.max.x, 0, center.z), new Vector3(extents.max.x, center.y, center.z), 4.0f);
}
}
if ((snapResult & SnapResult3D.MaxX) != 0)
{
var center = new Vector3(extents.max.x, y, pivotPosition.z);
if ((snapResult & SnapResult3D.MinZ) != 0)
{
SceneHandles.DrawDottedLine(new Vector3(center.x, 0, extents.min.z), new Vector3(center.x, center.y, extents.min.z), 4.0f);
}
if ((snapResult & SnapResult3D.MaxZ) != 0)
{
SceneHandles.DrawDottedLine(new Vector3(center.x, 0, extents.max.z), new Vector3(center.x, center.y, extents.max.z), 4.0f);
}
}
if ((snapResult & SnapResult3D.MaxZ) != 0)
{
var center = new Vector3(pivotPosition.x, y, extents.max.z);
if ((snapResult & SnapResult3D.MinX) != 0)
{
SceneHandles.DrawDottedLine(new Vector3(extents.min.x, 0, center.z), new Vector3(extents.min.x, center.y, center.z), 4.0f);
}
if ((snapResult & SnapResult3D.MaxX) != 0)
{
SceneHandles.DrawDottedLine(new Vector3(extents.max.x, 0, center.z), new Vector3(extents.max.x, center.y, center.z), 4.0f);
}
}
}
}
}
