private void SetTextureCoords(CCRect rect)
{
rect = CCMacros.CCRectanglePointsToPixels(rect);
CCTexture2D tex = m_pobBatchNode != null ? m_pobTextureAtlas.Texture : m_pobTexture;
if (tex == null)
{
return;
}
float atlasWidth = tex.PixelsWide;
float atlasHeight = tex.PixelsHigh;
float left, right, top, bottom;
if (m_bRectRotated)
{
#if CC_FIX_ARTIFACTS_BY_STRECHING_TEXEL
left = (2 * rect.origin.x + 1) / (2 * atlasWidth);
right = left + (rect.size.height * 2 - 2) / (2 * atlasWidth);
top = (2 * rect.origin.y + 1) / (2 * atlasHeight);
bottom = top + (rect.size.width * 2 - 2) / (2 * atlasHeight);
#else
left = rect.Origin.X / atlasWidth;
right = (rect.Origin.X + rect.Size.Height) / atlasWidth;
top = rect.Origin.Y / atlasHeight;
bottom = (rect.Origin.Y + rect.Size.Width) / atlasHeight;
#endif
// CC_FIX_ARTIFACTS_BY_STRECHING_TEXEL
if (m_bFlipX)
{
CCMacros.CCSwap(ref top, ref bottom);
}
if (m_bFlipY)
{
CCMacros.CCSwap(ref left, ref right);
}
m_sQuad.BottomLeft.TexCoords.U = left;
m_sQuad.BottomLeft.TexCoords.V = top;
m_sQuad.BottomRight.TexCoords.U = left;
m_sQuad.BottomRight.TexCoords.V = bottom;
m_sQuad.TopLeft.TexCoords.U = right;
m_sQuad.TopLeft.TexCoords.V = top;
m_sQuad.TopRight.TexCoords.U = right;
m_sQuad.TopRight.TexCoords.V = bottom;
}
else
{
#if CC_FIX_ARTIFACTS_BY_STRECHING_TEXEL
left = (2 * rect.origin.x + 1) / (2 * atlasWidth);
right = left + (rect.size.width * 2 - 2) / (2 * atlasWidth);
top = (2 * rect.origin.y + 1) / (2 * atlasHeight);
bottom = top + (rect.size.height * 2 - 2) / (2 * atlasHeight);
#else
left = rect.Origin.X / atlasWidth;
right = (rect.Origin.X + rect.Size.Width) / atlasWidth;
top = rect.Origin.Y / atlasHeight;
bottom = (rect.Origin.Y + rect.Size.Height) / atlasHeight;
#endif
// ! CC_FIX_ARTIFACTS_BY_STRECHING_TEXEL
if (m_bFlipX)
{
CCMacros.CCSwap(ref left, ref right);
}
if (m_bFlipY)
{
CCMacros.CCSwap(ref top, ref bottom);
}
m_sQuad.BottomLeft.TexCoords.U = left;
m_sQuad.BottomLeft.TexCoords.V = bottom;
m_sQuad.BottomRight.TexCoords.U = right;
m_sQuad.BottomRight.TexCoords.V = bottom;
m_sQuad.TopLeft.TexCoords.U = left;
m_sQuad.TopLeft.TexCoords.V = top;
m_sQuad.TopRight.TexCoords.U = right;
m_sQuad.TopRight.TexCoords.V = top;
}
}