C# (CSharp) PlaytimePainter ImageMeta.PixelNo 예제들

예제 #1

        public static void Paint(StrokeVector stroke, float brushAlpha, ImageMeta image, BrushConfig bc, PlaytimePainter painter)
        {
            if (image?.Pixels == null)
            {
                return;
            }

            var uvCoords = stroke.uvFrom;

            brAlpha = brushAlpha;

            bc.PrepareCpuBlit(image);

            var iHalf = (int)(half);

            Vector2 offset;

            var tmp = image.UvToPixelNumber(uvCoords, out offset);

            var smooth = bc.GetBrushType(true) != BrushTypePixel.Inst;

            if (smooth)
            {
                iHalf += 1;
                offset = Vector2.zero;
            }

            var hf = half - 0.5f;

            var halfFromX = Mathf.RoundToInt(-hf + offset.x);
            var halfFromY = Mathf.RoundToInt(-hf + offset.y);
            var halfToX   = Mathf.RoundToInt(hf + offset.x);
            var halfToY   = Mathf.RoundToInt(hf + offset.y);

            var fromX = tmp.x + halfFromX;

            tmp.y += halfFromY;

            var pixels = image.Pixels;

            for (y = halfFromY; y <= halfToY; y++)
            {
                tmp.x = fromX;

                for (x = halfFromX; x <= halfToX; x++)
                {
                    if (alphaMode())
                    {
                        blitMode(ref pixels[image.PixelNo(tmp)]);
                    }

                    tmp.x += 1;
                }

                tmp.y += 1;
            }
        }