public bool OnTouchBegan(DrawingSurface surface, Touch touch)
{
Line line = FindOrCreateLine(touch.Identifier);
line.OnTouchBegan(surface, m_Color, touch, m_Options);
return(true);
}
/// <summary>
/// Called by the <see cref="LineDrawingTool" /> when the touch associated with this line begins on the <see cref="DrawingSurface" />.
/// </summary>
public void OnTouchBegan(DrawingSurface surface, Color color, Touch touch, LineOptions options)
{
// get position
Vector2 position = CameraUtils.TouchToWorldPoint(touch, surface.Transform, surface.Camera);
position = surface.Transform.parent.InverseTransformPoint(position);
// reset points
m_Points = m_Points ?? new LinePoint[16];
m_PointCount = 0;
m_SmoothPoints = m_SmoothPoints ?? new LinePoint[1024];
m_SmoothPointCount = 0;
// reset
m_Cap.Reset(options.Overdraw);
m_Segment.Reset(options.Overdraw);
m_Velocity.Reset(position, options.VelocityMin, options.VelocityMax, options.VelocitySmoothing);
// add point
LinePoint point = default(LinePoint);
point.Color = color;
point.Position = position;
point.Weight = Mathf.Lerp(options.WeightMin, options.WeightMax, m_Velocity.Factor);
AddPoint(point);
// set flags
m_IsDirty = true;
m_CapRequired = true;
}
/// <summary>
/// Called by the <see cref="LineDrawingTool" /> when the touch associated with this line moves on the <see cref="DrawingSurface" />.
/// </summary>
public void OnTouchMoved(DrawingSurface surface, Color color, Touch touch, LineOptions options)
{
// get position
Vector2 position = CameraUtils.TouchToWorldPoint(touch, surface.Transform, surface.Camera);
position = surface.Transform.parent.InverseTransformPoint(position);
// update
m_Velocity.Update(position);
// add point
LinePoint point = default(LinePoint);
point.Color = color;
point.Position = position;
point.Weight = Mathf.Lerp(options.WeightMin, options.WeightMax, m_Velocity.Factor);
AddPoint(point);
}
public void OnRender(DrawingSurface surface)
{
Debug.AssertFormat(surface != null, "Cannot render to surface: {0}", "surface is null");
Debug.AssertFormat(surface.RenderTexture != null, "Cannot render to surface: {0}", "render texture is null");
Debug.AssertFormat(Material != null, "Cannot render to surface: {0}", "material is null");
Geometry.Reset();
foreach (Line line in Lines.Values)
{
line.OnRender(m_Geometry, m_Options);
}
Geometry.CopyToMesh(Mesh);
Matrix4x4 matrix = surface.Camera.transform.localToWorldMatrix;
matrix.m23 = surface.transform.position.z;
surface.Invoke(() => {
surface.RenderTexture.MarkRestoreExpected();
Material.SetPass(0);
Graphics.DrawMeshNow(Mesh, matrix, 0);
});
}
public void OnTouchCancelled(DrawingSurface surface, Touch touch)
{
OnTouchEnded(surface, touch);
}
public void OnTouchEnded(DrawingSurface surface, Touch touch)
{
Line line = FindLine(touch.Identifier);
line.OnTouchEnded(surface, m_Color, touch, m_Options);
}
