public void Draw(LTextureRegion region, float x, float y, float originX,
float originY, float width, float height, float scaleX,
float scaleY, float rotation, bool clockwise)
{
CheckTexture(region.GetTexture());
float worldOriginX = x + originX;
float worldOriginY = y + originY;
float fx = -originX;
float fy = -originY;
float fx2 = width - originX;
float fy2 = height - originY;
if (scaleX != 1 || scaleY != 1)
{
fx *= scaleX;
fy *= scaleY;
fx2 *= scaleX;
fy2 *= scaleY;
}
float p1x = fx;
float p1y = fy;
float p2x = fx;
float p2y = fy2;
float p3x = fx2;
float p3y = fy2;
float p4x = fx2;
float p4y = fy;
float x1;
float y1;
float x2;
float y2;
float x3;
float y3;
float x4;
float y4;
if (rotation != 0)
{
float cos = MathUtils.CosDeg(rotation);
float sin = MathUtils.SinDeg(rotation);
x1 = cos * p1x - sin * p1y;
y1 = sin * p1x + cos * p1y;
x2 = cos * p2x - sin * p2y;
y2 = sin * p2x + cos * p2y;
x3 = cos * p3x - sin * p3y;
y3 = sin * p3x + cos * p3y;
x4 = x1 + (x3 - x2);
y4 = y3 - (y2 - y1);
}
else
{
x1 = p1x;
y1 = p1y;
x2 = p2x;
y2 = p2y;
x3 = p3x;
y3 = p3y;
x4 = p4x;
y4 = p4y;
}
x1 += worldOriginX;
y1 += worldOriginY;
x2 += worldOriginX;
y2 += worldOriginY;
x3 += worldOriginX;
y3 += worldOriginY;
x4 += worldOriginX;
y4 += worldOriginY;
float u1, v1, u2, v2, u3, v3, u4, v4;
if (clockwise)
{
u1 = region.widthRatio;
v1 = region.heightRatio;
u2 = region.xOff;
v2 = region.heightRatio;
u3 = region.xOff;
v3 = region.yOff;
u4 = region.widthRatio;
v4 = region.yOff;
}
else
{
u1 = region.xOff;
v1 = region.yOff;
u2 = region.widthRatio;
v2 = region.yOff;
u3 = region.widthRatio;
v3 = region.heightRatio;
u4 = region.xOff;
v4 = region.heightRatio;
}
vertices[idx].Position.X = x1;
vertices[idx].Position.Y = y1;
vertices[idx].Color = m_color;
vertices[idx].TextureCoordinate.X = u1;
vertices[idx].TextureCoordinate.Y = v1;
vertices[idx + 1].Position.X = x2;
vertices[idx + 1].Position.Y = y2;
vertices[idx + 1].Color = m_color;
vertices[idx + 1].TextureCoordinate.X = u2;
vertices[idx + 1].TextureCoordinate.Y = v2;
vertices[idx + 2].Position.X = x3;
vertices[idx + 2].Position.Y = y3;
vertices[idx + 2].Color = m_color;
vertices[idx + 2].TextureCoordinate.X = u3;
vertices[idx + 2].TextureCoordinate.Y = v3;
vertices[idx + 3].Position.X = x4;
vertices[idx + 3].Position.Y = y4;
vertices[idx + 3].Color = m_color;
vertices[idx + 3].TextureCoordinate.X = u4;
vertices[idx + 3].TextureCoordinate.Y = v4;
idx += 4;
}
public void Draw(LTextureRegion region, float x, float y, float width,
float height)
{
CheckTexture(region.GetTexture());
float fx2 = x + width;
float fy2 = y + height;
float u = region.xOff;
float v = region.yOff;
float u2 = region.widthRatio;
float v2 = region.heightRatio;
vertices[idx].Position.X = x;
vertices[idx].Position.Y = y;
vertices[idx].Color = m_color;
vertices[idx].TextureCoordinate.X = u;
vertices[idx].TextureCoordinate.Y = v;
vertices[idx + 1].Position.X = x;
vertices[idx + 1].Position.Y = fy2;
vertices[idx + 1].Color = m_color;
vertices[idx + 1].TextureCoordinate.X = u;
vertices[idx + 1].TextureCoordinate.Y = v2;
vertices[idx + 2].Position.X = fx2;
vertices[idx + 2].Position.Y = fy2;
vertices[idx + 2].Color = m_color;
vertices[idx + 2].TextureCoordinate.X = u2;
vertices[idx + 2].TextureCoordinate.Y = v2;
vertices[idx + 3].Position.X = fx2;
vertices[idx + 3].Position.Y = y;
vertices[idx + 3].Color = m_color;
vertices[idx + 3].TextureCoordinate.X = u2;
vertices[idx + 3].TextureCoordinate.Y = v;
idx += 4;
}