public static Texture2D PerformCapture(bool captureAlphaOnly, int renderWidth, int renderHeight, int antiAliasing)
{
var renderCam = CameraUtils.CopyCamera(Camera.main);
var targetTexture = renderCam.targetTexture;
var rect = renderCam.rect;
var backgroundColor = renderCam.backgroundColor;
var clearFlags = renderCam.clearFlags;
var t2d = new Texture2D(renderWidth, renderHeight, TextureFormat.RGB24, false);
var rt_temp = RenderTexture.GetTemporary(renderWidth, renderHeight, 24, RenderTextureFormat.Default, RenderTextureReadWrite.Default, 8);
rt_temp.antiAliasing = antiAliasing;
var list = new List <MaterialInfo>();
var lc = Shader.GetGlobalColor(ChaShader._LineColorG);
renderCam.backgroundColor = Color.black;
var plainTex = new Texture2D(1, 1);
plainTex.SetPixel(0, 0, Color.black);
plainTex.Apply();
if (captureAlphaOnly)
{
Shader.SetGlobalColor(ChaShader._LineColorG, new Color(.5f, .5f, .5f, 0f));
renderCam.backgroundColor = Color.white;
foreach (var smr in GameObject.FindObjectsOfType <Renderer>())
{
var p = new Dictionary <int, Texture>();
foreach (var potential in potentials)
{
if (smr.material.HasProperty(potential))
{
var gt = smr.material.GetTexture(potential);
p[potential] = gt;
smr.material.SetTexture(potential, plainTex);
}
}
var p2 = new Dictionary <int, float>();
foreach (var potential2 in potentials2)
{
if (smr.material.HasProperty(potential2))
{
var gt = smr.material.GetFloat(potential2);
p2[potential2] = gt;
smr.material.SetFloat(potential2, 0f);
}
}
var p3 = new Dictionary <int, Color>();
foreach (var potential3 in potentials3)
{
if (smr.material.HasProperty(potential3))
{
var gt = smr.material.GetColor(potential3);
p3[potential3] = gt;
smr.material.SetColor(potential3, Color.black);
}
}
var mi = new MaterialInfo()
{
r = smr, tex_props = p, float_props = p2, col_props = p3
};
list.Add(mi);
}
}
Shader.SetGlobalColor(ChaShader._LineColorG, lc);
renderCam.clearFlags = CameraClearFlags.Color;
renderCam.targetTexture = rt_temp;
renderCam.rect = new Rect(0, 0, 1, 1);
renderCam.Render();
renderCam.targetTexture = targetTexture;
renderCam.rect = rect;
RenderTexture.active = rt_temp;
t2d.ReadPixels(new Rect(0f, 0f, renderWidth, renderHeight), 0, 0);
t2d.Apply();
RenderTexture.active = null;
renderCam.backgroundColor = backgroundColor;
renderCam.clearFlags = clearFlags;
RenderTexture.ReleaseTemporary(rt_temp);
GameObject.Destroy(plainTex);
foreach (var smr in list)
{
foreach (var k in smr.tex_props.Keys)
{
smr.r.material.SetTexture(k, smr.tex_props[k]);
}
foreach (var k in smr.float_props.Keys)
{
smr.r.material.SetFloat(k, smr.float_props[k]);
}
foreach (var k in smr.col_props.Keys)
{
smr.r.material.SetColor(k, smr.col_props[k]);
}
}
GameObject.Destroy(renderCam.gameObject);
return(t2d);
}