/// <inheritdoc/>
protected internal override void Draw()
{
HandleDrawing.Layer = LAYER;
HandleDrawing.Transform = Matrix4.TRS(position, rotation, Vector3.One);
Vector3 cameraForward = EditorApplication.SceneViewCamera.SceneObject.Forward;
// Draw 1D arrows
Color xColor = Color.Red;
if (xAxis.State == HandleSlider.StateType.Active)
{
xColor = Color.White;
}
else if (xAxis.State == HandleSlider.StateType.Hover)
{
xColor = Color.BansheeOrange;
}
xColor.a = MathEx.Lerp(1.0f, 0.0f, MathEx.Abs(Vector3.Dot(cameraForward, Vector3.XAxis)), 0.8f, 1.0f);
HandleDrawing.Color = xColor;
Vector3 xLineStart = Vector3.XAxis * BOX_EXTENT;
Vector3 xConeStart = Vector3.XAxis * (1.0f - CONE_HEIGHT);
HandleDrawing.DrawLine(xLineStart, xConeStart);
HandleDrawing.DrawCone(xConeStart, Vector3.XAxis, CONE_HEIGHT, CONE_RADIUS);
Color yColor = Color.Green;
if (yAxis.State == HandleSlider.StateType.Active)
{
yColor = Color.White;
}
else if (yAxis.State == HandleSlider.StateType.Hover)
{
yColor = Color.BansheeOrange;
}
yColor.a = MathEx.Lerp(1.0f, 0.0f, MathEx.Abs(Vector3.Dot(cameraForward, Vector3.YAxis)), 0.8f, 1.0f);
HandleDrawing.Color = yColor;
Vector3 yLineStart = Vector3.YAxis * BOX_EXTENT;
Vector3 yConeStart = Vector3.YAxis * (1.0f - CONE_HEIGHT);
HandleDrawing.DrawLine(yLineStart, yConeStart);
HandleDrawing.DrawCone(yConeStart, Vector3.YAxis, CONE_HEIGHT, CONE_RADIUS);
Color zColor = Color.Blue;
if (zAxis.State == HandleSlider.StateType.Active)
{
zColor = Color.White;
}
else if (zAxis.State == HandleSlider.StateType.Hover)
{
zColor = Color.BansheeOrange;
}
zColor.a = MathEx.Lerp(1.0f, 0.0f, MathEx.Abs(Vector3.Dot(cameraForward, Vector3.ZAxis)), 0.8f, 1.0f);
HandleDrawing.Color = zColor;
Vector3 zLineStart = Vector3.ZAxis * BOX_EXTENT;
Vector3 zConeStart = Vector3.ZAxis * (1.0f - CONE_HEIGHT);
HandleDrawing.DrawLine(zLineStart, zConeStart);
HandleDrawing.DrawCone(zConeStart, Vector3.ZAxis, CONE_HEIGHT, CONE_RADIUS);
// Draw negative 1D arrows
Color xNegColor = Color.LightGray;
if (xNegAxis.State == HandleSlider.StateType.Active)
{
xNegColor = Color.White;
}
else if (xNegAxis.State == HandleSlider.StateType.Hover)
{
xNegColor = Color.BansheeOrange;
}
xNegColor.a = MathEx.Lerp(1.0f, 0.0f, MathEx.Abs(Vector3.Dot(cameraForward, Vector3.XAxis)), 0.8f, 1.0f);
HandleDrawing.Color = xNegColor;
Vector3 xNegLineStart = -Vector3.XAxis * BOX_EXTENT;
Vector3 xNegConeStart = -Vector3.XAxis * (1.0f - CONE_HEIGHT);
HandleDrawing.DrawLine(xNegLineStart, xNegConeStart);
HandleDrawing.DrawCone(xNegConeStart, -Vector3.XAxis, CONE_HEIGHT, CONE_RADIUS);
Color yNegColor = Color.LightGray;
if (yNegAxis.State == HandleSlider.StateType.Active)
{
yNegColor = Color.White;
}
else if (yNegAxis.State == HandleSlider.StateType.Hover)
{
yNegColor = Color.BansheeOrange;
}
yNegColor.a = MathEx.Lerp(1.0f, 0.0f, MathEx.Abs(Vector3.Dot(cameraForward, Vector3.YAxis)), 0.8f, 1.0f);
HandleDrawing.Color = yNegColor;
Vector3 yNegLineStart = -Vector3.YAxis * BOX_EXTENT;
Vector3 yNegConeStart = -Vector3.YAxis * (1.0f - CONE_HEIGHT);
HandleDrawing.DrawLine(yNegLineStart, yNegConeStart);
HandleDrawing.DrawCone(yNegConeStart, -Vector3.YAxis, CONE_HEIGHT, CONE_RADIUS);
Color zNegcolor = Color.LightGray;
if (zNegAxis.State == HandleSlider.StateType.Active)
{
zNegcolor = Color.White;
}
else if (zNegAxis.State == HandleSlider.StateType.Hover)
{
zNegcolor = Color.BansheeOrange;
}
zNegcolor.a = MathEx.Lerp(1.0f, 0.0f, MathEx.Abs(Vector3.Dot(cameraForward, Vector3.ZAxis)), 0.8f, 1.0f);
HandleDrawing.Color = zNegcolor;
Vector3 zNegLineStart = -Vector3.ZAxis * BOX_EXTENT;
Vector3 zNegConeStart = -Vector3.ZAxis * (1.0f - CONE_HEIGHT);
HandleDrawing.DrawLine(zNegLineStart, zNegConeStart);
HandleDrawing.DrawCone(zNegConeStart, -Vector3.ZAxis, CONE_HEIGHT, CONE_RADIUS);
// Draw projection type handle
if (projTypePlane.State == HandleSlider.StateType.Active)
{
HandleDrawing.Color = Color.White;
}
else if (projTypePlane.State == HandleSlider.StateType.Hover)
{
HandleDrawing.Color = Color.BansheeOrange;
}
else
{
HandleDrawing.Color = Color.White;
}
HandleDrawing.DrawCube(Vector3.Zero, new Vector3(BOX_EXTENT, BOX_EXTENT, BOX_EXTENT));
}
/// <inheritdoc/>
protected internal override void Draw()
{
HandleDrawing.Layer = 1;
HandleDrawing.Transform = Matrix4.TRS(Position, Rotation, Vector3.One);
float handleSize = Handles.GetHandleSize(EditorApplication.SceneViewCamera, position);
// Draw 1D sliders
Vector3 smallCubeExtents = new Vector3(SMALL_CUBE_SIZE * 0.5f, SMALL_CUBE_SIZE * 0.5f, SMALL_CUBE_SIZE * 0.5f);
if (xAxis.State == HandleSlider.StateType.Active)
{
HandleDrawing.Color = Color.White;
}
else if (xAxis.State == HandleSlider.StateType.Hover)
{
HandleDrawing.Color = Color.BansheeOrange;
}
else
{
HandleDrawing.Color = Color.Red;
}
Vector3 xCubeOffset = Vector3.XAxis * SMALL_CUBE_SIZE * 0.5f;
Vector3 xCubeStart = Vector3.XAxis - xCubeOffset;
HandleDrawing.DrawLine(Vector3.Zero, xCubeStart, handleSize);
HandleDrawing.DrawCube(xCubeStart + xCubeOffset, smallCubeExtents, handleSize);
if (yAxis.State == HandleSlider.StateType.Active)
{
HandleDrawing.Color = Color.White;
}
else if (yAxis.State == HandleSlider.StateType.Hover)
{
HandleDrawing.Color = Color.BansheeOrange;
}
else
{
HandleDrawing.Color = Color.Green;
}
Vector3 yCubeOffset = Vector3.YAxis * SMALL_CUBE_SIZE * 0.5f;
Vector3 yCubeStart = Vector3.YAxis - yCubeOffset;
HandleDrawing.DrawLine(Vector3.Zero, yCubeStart, handleSize);
HandleDrawing.DrawCube(yCubeStart + yCubeOffset, smallCubeExtents, handleSize);
if (zAxis.State == HandleSlider.StateType.Active)
{
HandleDrawing.Color = Color.White;
}
else if (zAxis.State == HandleSlider.StateType.Hover)
{
HandleDrawing.Color = Color.BansheeOrange;
}
else
{
HandleDrawing.Color = Color.Blue;
}
Vector3 zCubeOffset = Vector3.ZAxis * SMALL_CUBE_SIZE * 0.5f;
Vector3 zCubeStart = Vector3.ZAxis - zCubeOffset;
HandleDrawing.DrawLine(Vector3.Zero, zCubeStart, handleSize);
HandleDrawing.DrawCube(zCubeStart + zCubeOffset, smallCubeExtents, handleSize);
// Draw free scale handle
if (freeAxis.State == HandleSlider.StateType.Active)
{
HandleDrawing.Color = Color.White;
}
else if (freeAxis.State == HandleSlider.StateType.Hover)
{
HandleDrawing.Color = Color.BansheeOrange;
}
else
{
HandleDrawing.Color = Color.White;
}
//// Rotate it so it always faces the camera, and move it forward a bit to always render in front
Vector3 bottomLeft = -Vector3.XAxis * 0.2f - Vector3.YAxis * 0.2f;
Vector3 topLeft = -Vector3.XAxis * 0.2f + Vector3.YAxis * 0.2f;
Vector3 topRight = Vector3.XAxis * 0.2f + Vector3.YAxis * 0.2f;
Vector3 bottomRight = Vector3.XAxis * 0.2f - Vector3.YAxis * 0.2f;
Vector3 offset = Vector3.ZAxis * 0.1f;
Quaternion cameraRot = EditorApplication.SceneViewCamera.SceneObject.Rotation;
bottomLeft = cameraRot.Rotate(bottomLeft + offset);
topLeft = cameraRot.Rotate(topLeft + offset);
topRight = cameraRot.Rotate(topRight + offset);
bottomRight = cameraRot.Rotate(bottomRight + offset);
HandleDrawing.DrawLine(bottomLeft, bottomRight, handleSize);
HandleDrawing.DrawLine(bottomLeft, topLeft, handleSize);
HandleDrawing.DrawLine(topLeft, topRight, handleSize);
HandleDrawing.DrawLine(bottomRight, topRight, handleSize);
}
