void OnGUI()
{
m_isEraser = GUI.Toggle(new Rect(5, 5, 100, 40), m_isEraser, "Is Earse", "Button");
if (lipstick && eyelash)
{
if (m_isEraser != lipstick.isErase)
{
lipstick.isErase = m_isEraser;
eyelash.isErase = m_isEraser;
}
}
if (GUI.Button(new Rect(5, 55, 100, 40), "Clear Canvas"))
{
if (lipstick && eyelash)
{
lipstick.ClearCanvas();
eyelash.ClearCanvas();
}
}
if (lipstick && eyelash)
{
GUI.color = Color.white;
GUI.Label(new Rect(5, 100, 150, 40), "Brush Scale :" + lipstick.brushScale.ToString("N2"));
lipstick.brushScale = GUI.HorizontalSlider(new Rect(5, 120, 150, 40), lipstick.brushScale, 0.1F, 2F);
eyelash.brushScale = lipstick.brushScale;
}
}
// Update is called once per frame
void Update()
{
if (Input.GetMouseButtonDown(0))
{
_painterCanvas.isErase = true;
tempPainter.sourceTexture = _painterCanvas.sourceTexture;
tempPainter.canvasMat.SetFloat("_BlendSrc", (int)UnityEngine.Rendering.BlendMode.SrcAlpha);
tempPainter.canvasMat.SetFloat("_BlendDst", (int)UnityEngine.Rendering.BlendMode.OneMinusSrcAlpha);
}
else if (Input.GetMouseButton(0))
{
tempPainter.Drawing(Input.mousePosition);
_painterCanvas.Drawing(Input.mousePosition);
}
else if (Input.GetMouseButtonUp(0))
{
tempPainter.EndDraw();
_painterCanvas.EndDraw();
tempPainter.canvasMat.SetFloat("_BlendSrc", (int)UnityEngine.Rendering.BlendMode.One);
tempPainter.canvasMat.SetFloat("_BlendDst", (int)UnityEngine.Rendering.BlendMode.Zero);
//draw temp paint canvas to paint canvas
_painterCanvas.isErase = false;
_painterCanvas.ClickDraw(Camera.main.WorldToScreenPoint(tempPainter.transform.position),
Camera.main, _painterCanvas.renderTexture, 1f, tempPainter.canvasMat);
//clear temp canvas
tempPainter.ClearCanvas();
}
}
private void DoEndFingerMoveAction()
{
LoopPainter((RenderTexturePainter painter) =>
{
painter.EndDraw();
});
if (_operation == Operation.Replace || _operation == Operation.ReplaceErase)
{
RenderTexturePainter mainPainter = _listPainter[0];
RenderTexturePainter tempPainter = _listPainter[1];
tempPainter.CanvasMat.SetFloat("_BlendSrc", (float)BlendMode.One);
tempPainter.CanvasMat.SetFloat("_BlendDst", (float)BlendMode.Zero);
mainPainter.IsErase = false;
Camera cmain = Camera.main;
mainPainter.ClickDraw(cmain.WorldToScreenPoint(tempPainter.transform.position), cmain, mainPainter.RednerTex, 1, tempPainter.CanvasMat);
tempPainter.ClearCanvas();
if (_operation == Operation.ReplaceErase)
{
for (int i = 2; i < _listPainter.Count; i++)
{
RenderTexturePainter painter = _listPainter[i];
painter.IsErase = false;
}
}
}
else if (_operation == Operation.CutShape)
{
LoopPainter((RenderTexturePainter painter) =>
{
painter.IsErase = !painter.IsErase;
});
}
}
void OnGUI()
{
if (painter)
{
if (GUI.Button(new Rect(10, 10, 100, 40), "Clear Canvas"))
{
painter.ClearCanvas();
}
m_isEraser = GUI.Toggle(new Rect(120, 10, 100, 40), m_isEraser, "Is Earse", "Button");
if (m_isEraser != painter.isErase)
{
painter.isErase = m_isEraser;
}
if (!m_isColorfulLine)
{
m_clickDraw = GUI.Toggle(new Rect(240, 10, 100, 40), m_clickDraw, "Click Draw", "Button");
}
else
{
m_clickDraw = false;
}
if (!m_isColorfulLine && GUI.Button(new Rect(350, 10, 100, 40), "Random Color"))
{
painter.penColor = Random.ColorHSV();
}
GUI.color = Color.white;
GUI.Label(new Rect(10, 60, 200, 40), "Brush Scale :" + painter.brushScale.ToString("N2"));
painter.brushScale = GUI.HorizontalSlider(new Rect(10, 80, 200, 40), painter.brushScale, 0.1F, 5F);
GUI.color = Color.white;
GUI.Label(new Rect(10, 100, 200, 40), "Canvas Alpha :" + m_alpha.ToString("N2"));
m_alpha = GUI.HorizontalSlider(new Rect(10, 120, 200, 40), m_alpha, 0F, 1F);
painter.canvasAlpha = m_alpha;
if (penTexs.Length > 1 && GUI.Button(new Rect(220, 60, 110, 40), "Change PenTex"))
{
++m_penTexIndex;
if (m_penTexIndex >= penTexs.Length)
{
m_penTexIndex = 0;
}
painter.penTex = penTexs[m_penTexIndex];
}
m_isColorfulLine = GUI.Toggle(new Rect(340, 60, 110, 40), m_isColorfulLine, "Is ColorfulLine", "Button");
if (m_isColorfulLine)
{
painter.paintType = RenderTexturePainter.PaintType.DrawColorfulLine;
}
else
{
painter.paintType = RenderTexturePainter.PaintType.DrawLine;
}
}
}
void Update()
{
if (InputUtil.CheckMouseOnUI())
{
return;
}
//下面是两种涂法，两种都可以使用，只是有一些区域
//第一种是每次都会将临时画布的结果Draw到最终画布上，效率低一些，但是涂抹过程中效果好一些，适用于要涂抹的对象透明度和区域一不样的情况
//第二种是在最后才把涂抹的结果Draw到最终画布，效率要高一些
if (isDifferent)
{
if (Input.GetMouseButtonDown(0))
{
tempPaintCanvas.gameObject.SetActive(true);
}
else if (Input.GetMouseButton(0))
{
paintCanvas.isErase = true;
tempPaintCanvas.canvasMat.SetFloat("_BlendSrc", (int)UnityEngine.Rendering.BlendMode.SrcAlpha);
tempPaintCanvas.canvasMat.SetFloat("_BlendDst", (int)UnityEngine.Rendering.BlendMode.OneMinusSrcAlpha);
tempPaintCanvas.Drawing(Input.mousePosition);
if (isDifferent)
{
paintCanvas.Drawing(Input.mousePosition);
}
tempPaintCanvas.canvasMat.SetFloat("_BlendSrc", (int)UnityEngine.Rendering.BlendMode.One);
tempPaintCanvas.canvasMat.SetFloat("_BlendDst", (int)UnityEngine.Rendering.BlendMode.Zero);
//draw temp paint canvas to paint canvas
paintCanvas.isErase = false;
paintCanvas.ClickDraw(Camera.main.WorldToScreenPoint(tempPaintCanvas.transform.position),
Camera.main, paintCanvas.renderTexture, 1f, tempPaintCanvas.canvasMat);
//clear temp canvas
tempPaintCanvas.ClearCanvas();
}
else if (Input.GetMouseButtonUp(0))
{
tempPaintCanvas.EndDraw();
paintCanvas.EndDraw();
tempPaintCanvas.gameObject.SetActive(false);
}
}
else
{
if (Input.GetMouseButtonDown(0))
{
if (isDifferent)
{
//主画布当前为擦除模式
paintCanvas.isErase = true;
}
tempPaintCanvas.gameObject.SetActive(true);
tempPaintCanvas.canvasMat.SetFloat("_BlendSrc", (int)UnityEngine.Rendering.BlendMode.SrcAlpha);
tempPaintCanvas.canvasMat.SetFloat("_BlendDst", (int)UnityEngine.Rendering.BlendMode.OneMinusSrcAlpha);
}
else if (Input.GetMouseButton(0))
{
if (isDifferent)
{
paintCanvas.Drawing(Input.mousePosition);
}
tempPaintCanvas.Drawing(Input.mousePosition);
}
else if (Input.GetMouseButtonUp(0))
{
paintCanvas.EndDraw();
tempPaintCanvas.EndDraw();
tempPaintCanvas.canvasMat.SetFloat("_BlendSrc", (int)UnityEngine.Rendering.BlendMode.One);
tempPaintCanvas.canvasMat.SetFloat("_BlendDst", (int)UnityEngine.Rendering.BlendMode.Zero);
//将tempPaintCanvas画的draw到paintCavas上
paintCanvas.isErase = false;
paintCanvas.ClickDraw(Camera.main.WorldToScreenPoint(tempPaintCanvas.transform.position),
Camera.main, paintCanvas.renderTexture, 1f, tempPaintCanvas.canvasMat);
//清空临时画布
tempPaintCanvas.ClearCanvas();
tempPaintCanvas.gameObject.SetActive(false);
}
}
}
public void OnClickClearCanvas()
{
//clear the paint canvas.
painterCanvas.ClearCanvas();
}
