internal static void DrawGizmo(Vector3 position, Matrix4x4 matrix, float size = -1f)
{
var p = matrix.MultiplyPoint3x4(position);
size = HandleUtility.GetHandleSize(p) * size < 0f ? k_DefaultGizmoSize : size;
using (var lineDrawer = new LineDrawingScope(Color.green, -1f, CompareFunction.Always))
{
lineDrawer.DrawLine(p, p + matrix.MultiplyVector(Vector3.up) * size);
lineDrawer.SetColor(Color.red);
lineDrawer.DrawLine(p, p + matrix.MultiplyVector(Vector3.right) * size);
lineDrawer.SetColor(Color.blue);
lineDrawer.DrawLine(p, p + matrix.MultiplyVector(Vector3.forward) * size);
}
}
internal static void DrawGizmo(Vector3 position, Quaternion rotation, float size = -1f)
{
var p = position;
size = HandleUtility.GetHandleSize(p) * size < 0f ? .5f : size;
using (var lineDrawer = new LineDrawingScope(Color.green, -1f, CompareFunction.Always))
{
lineDrawer.DrawLine(p, p + rotation * Vector3.up * size);
lineDrawer.SetColor(Color.red);
lineDrawer.DrawLine(p, p + rotation * Vector3.right * size);
lineDrawer.SetColor(Color.blue);
lineDrawer.DrawLine(p, p + rotation * Vector3.forward * size);
}
}
public static void DrawSceneSelection(SceneSelection selection)
{
var mesh = selection.mesh;
if (mesh == null)
{
return;
}
var positions = mesh.positionsInternal;
// Draw nearest edge
if (selection.face != null)
{
using (new TriangleDrawingScope(s_PreselectionColor))
{
GL.MultMatrix(mesh.transform.localToWorldMatrix);
var face = selection.face;
var ind = face.indexes;
for (int i = 0, c = ind.Count; i < c; i += 3)
{
GL.Vertex(positions[ind[i]]);
GL.Vertex(positions[ind[i + 1]]);
GL.Vertex(positions[ind[i + 2]]);
}
}
}
else if (selection.edge != Edge.Empty)
{
using (var drawingScope = new LineDrawingScope(s_PreselectionColor, -1f, CompareFunction.Always))
{
GL.MultMatrix(mesh.transform.localToWorldMatrix);
drawingScope.DrawLine(positions[selection.edge.a], positions[selection.edge.b]);
}
}
else if (selection.vertex > -1)
{
using (var drawingScope = new PointDrawingScope(s_PreselectionColor, CompareFunction.Always)
{
matrix = mesh.transform.localToWorldMatrix
})
{
drawingScope.Draw(positions[selection.vertex]);
}
}
}
void DrawSceneSelectionInternal(SceneSelection selection)
{
var mesh = selection.mesh;
if (mesh == null)
{
return;
}
var positions = mesh.positionsInternal;
// Draw nearest edge
if (selection.face != null)
{
using (new TriangleDrawingScope(preselectionColor))
{
GL.MultMatrix(mesh.transform.localToWorldMatrix);
var face = selection.face;
var ind = face.indexes;
for (int i = 0, c = ind.Count; i < c; i += 3)
{
GL.Vertex(positions[ind[i]]);
GL.Vertex(positions[ind[i + 1]]);
GL.Vertex(positions[ind[i + 2]]);
}
}
}
else if (selection.edge != Edge.Empty)
{
using (var drawingScope = new LineDrawingScope(preselectionColor, -1f, CompareFunction.Always))
{
GL.MultMatrix(mesh.transform.localToWorldMatrix);
drawingScope.DrawLine(positions[selection.edge.a], positions[selection.edge.b]);
}
}
else if (selection.vertex > -1)
{
var size = dotCapSize;
using (new Handles.DrawingScope(preselectionColor, mesh.transform.localToWorldMatrix))
{
var pos = positions[selection.vertex];
Handles.DotHandleCap(-1, pos, Quaternion.identity, HandleUtility.GetHandleSize(pos) * size, Event.current.type);
}
}
}
