示例#1
0
        private void ComputeTessellationOptions(SVGParser.SceneInfo sceneInfo, int targetResolution, float multiplier, out float stepDist, out float maxCord, out float maxTangent)
        {
            // These tessellation options were found by trial and error to find values that made
            // visual sense with a variety of SVG assets.

            // "Pixels per Unit" doesn't make sense for UI Toolkit since it will be displayed in
            // a pixels space.  We adjust the magic values below accordingly.
            #if UNITY_2019_3_OR_NEWER
            float ppu = (SvgType == SVGType.UIToolkit) ? 1.0f : SvgPixelsPerUnit;
            #else
            float ppu = SvgPixelsPerUnit;
            #endif

            var   bbox   = VectorUtils.ApproximateSceneNodeBounds(sceneInfo.Scene.Root);
            float maxDim = Mathf.Max(bbox.width, bbox.height) / ppu;

            // The scene ratio gives a rough estimate of coverage % of the vector scene on the screen.
            // Higher values should result in a more dense tessellation.
            float sceneRatio = maxDim / (targetResolution * multiplier);

            stepDist = float.MaxValue; // No need for uniform step distance
            #if UNITY_2019_3_OR_NEWER
            if (SvgType == SVGType.UIToolkit)
            {
                maxCord    = Mathf.Max(0.01f, 2.0f * sceneRatio);
                maxTangent = Mathf.Max(0.1f, 3.0f * sceneRatio);
            }
            else
            #endif
            {
                maxCord    = Mathf.Max(0.01f, 75.0f * sceneRatio);
                maxTangent = Mathf.Max(0.1f, 100.0f * sceneRatio);
            }
        }
示例#2
0
        private void ComputeTessellationOptions(SVGParser.SceneInfo sceneInfo, int targetResolution, float multiplier, out float stepDist, out float maxCord, out float maxTangent)
        {
            var   bbox   = VectorUtils.ApproximateSceneNodeBounds(sceneInfo.Scene.Root);
            float maxDim = Mathf.Max(bbox.width, bbox.height) / SvgPixelsPerUnit;

            // The scene ratio gives a rough estimate of coverage % of the vector scene on the screen.
            // Higher values should result in a more dense tessellation.
            float sceneRatio = maxDim / (targetResolution * multiplier);

            stepDist   = float.MaxValue; // No need for uniform step distance
            maxCord    = Mathf.Max(0.01f, 75.0f * sceneRatio);
            maxTangent = Mathf.Max(0.1f, 100.0f * sceneRatio);
        }