Programme/Test at master · DSHGFHDS/Programme · GitHub

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    private void GenerateClockFilledSprite(VertexHelper vh, Vector4 vertices, Vector4 uvs, float fillAmount)
    {
        float uvLeft = uvs.x;
        float uvBottom = uvs.y;
        float uvRight = uvs.z;
        float uvTop = uvs.w;

        Vector3[] endVers = new Vector3[4];
        Vector3[] endUVs = new Vector3[4];

        for (int i = 0; i < 4; i++)
        {
            float fx0, fx1, fy0, fy1;

            if (i < 2)
            {
                fx0 = 0f;
                fx1 = 0.5f;
            }
            else
            {
                fx0 = 0.5f;
                fx1 = 1f;
            }

            if (i == 0 || i == 3)
            {
                fy0 = 0f;
                fy1 = 0.5f;
            }
            else
            {
                fy0 = 0.5f;
                fy1 = 1f;
            }

            endVers[0].x = Mathf.Lerp(vertices.x, vertices.z, fx0);
            endVers[1].x = endVers[0].x;
            endVers[2].x = Mathf.Lerp(vertices.x, vertices.z, fx1);
            endVers[3].x = endVers[2].x;

            endVers[0].y = Mathf.Lerp(vertices.y, vertices.w, fy0);
            endVers[1].y = Mathf.Lerp(vertices.y, vertices.w, fy1);
            endVers[2].y = endVers[1].y;
            endVers[3].y = endVers[0].y;

            endUVs[0].x = Mathf.Lerp(uvLeft, uvRight, fx0);
            endUVs[1].x = endUVs[0].x;
            endUVs[2].x = Mathf.Lerp(uvLeft, uvRight, fx1);
            endUVs[3].x = endUVs[2].x;

            endUVs[0].y = Mathf.Lerp(uvBottom, uvTop, fy0);
            endUVs[1].y = Mathf.Lerp(uvBottom, uvTop, fy1);
            endUVs[2].y = endUVs[1].y;
            endUVs[3].y = endUVs[0].y;

            bool clockwise = mFillMode == FillMode.Clockwise;
            float val = clockwise ? fillAmount * 4f - ((i) % 4) : fillAmount * 4f - (3 - ((i) % 4));

            int corner = (i + 2) % 4;
            if ((corner & 1) == 1)
                clockwise = !clockwise;

            float angle = Mathf.Clamp01(val);
            if (clockwise) angle = 1f - angle;
            angle *= 90f * Mathf.Deg2Rad;
            float cos = Mathf.Cos(angle);
            float sin = Mathf.Sin(angle);

            RadialCut(endVers, cos, sin, clockwise, corner);
            RadialCut(endUVs, cos, sin, clockwise, corner);
            AddQuad(vh, endVers, mLinearColor, endUVs);
        }
    }

    private void RadialCut(Vector3[] xy, float cos, float sin, bool invert, int corner)
    {
        int i0 = corner;
        int i1 = ((corner + 1) % 4);
        int i2 = ((corner + 2) % 4);
        int i3 = ((corner + 3) % 4);

        if ((corner & 1) == 1)
        {
            if (sin > cos)
            {
                cos /= sin;
                sin = 1f;

                if (invert)
                {
                    xy[i1].x = Mathf.Lerp(xy[i0].x, xy[i2].x, cos);
                    xy[i2].x = xy[i1].x;
                }
            }
            else if (cos > sin)
            {
                sin /= cos;
                cos = 1f;

                if (!invert)
                {
                    xy[i2].y = Mathf.Lerp(xy[i0].y, xy[i2].y, sin);
                    xy[i3].y = xy[i2].y;
                }
            }
            else
            {
                cos = 1f;
                sin = 1f;
            }

            if (!invert) xy[i3].x = Mathf.Lerp(xy[i0].x, xy[i2].x, cos);
            else xy[i1].y = Mathf.Lerp(xy[i0].y, xy[i2].y, sin);
        }
        else
        {
            if (cos > sin)
            {
                sin /= cos;
                cos = 1f;

                if (!invert)
                {
                    xy[i1].y = Mathf.Lerp(xy[i0].y, xy[i2].y, sin);
                    xy[i2].y = xy[i1].y;
                }
            }
            else if (sin > cos)
            {
                cos /= sin;
                sin = 1f;

                if (invert)
                {
                    xy[i2].x = Mathf.Lerp(xy[i0].x, xy[i2].x, cos);
                    xy[i3].x = xy[i2].x;
                }
            }
            else
            {
                cos = 1f;
                sin = 1f;
            }

            if (invert) xy[i3].y = Mathf.Lerp(xy[i0].y, xy[i2].y, sin);
            else xy[i1].x = Mathf.Lerp(xy[i0].x, xy[i2].x, cos);
        }
    }