/*
* middle3 middle4
* ^ ^
* | |
* 12 | 13 | 14 15
* +----+--------+----+
* | | | |
* 8 | | 9 | 10 | 11
* +----+--------+----+---> middle2
* | | | |
* | | | |
* 4 | | 5 | 6 | 7
* +----+--------+----+---> middle1
* | | | |
* | | | |
* +----+--------+----+
* 0 1 2 3
*/
protected override void OnValidate()
{
base.OnValidate();
if (_sprite == null)
{
return;
}
Vector3 position = pivot.GetPosition(outerSize.x, outerSize.y);
float left = position.x;
float right = left + outerSize.x;
float bottom = position.y;
float top = bottom + outerSize.y;
float middle1 = bottom + innerPosition.y + (outerSize.y - innerSize.y) * 0.5f;
float middle2 = middle1 + innerSize.y;
float middle3 = left + innerPosition.x + (outerSize.x - innerSize.x) * 0.5f;
float middle4 = middle3 + innerSize.x;
float extraLeft = left - middle3;
float extraRight = middle4 - right;
float extraBottom = bottom - middle1;
float extraTop = middle2 - top;
middle1 = Mathf.Clamp(middle1, bottom, top);
middle2 = Mathf.Clamp(middle2, bottom, top);
middle3 = Mathf.Clamp(middle3, left, right);
middle4 = Mathf.Clamp(middle4, left, right);
// Set vertices
_vertices[0].x = left;
_vertices[0].y = bottom;
_vertices[1].x = middle3;
_vertices[1].y = bottom;
_vertices[2].x = middle4;
_vertices[2].y = bottom;
_vertices[3].x = right;
_vertices[3].y = bottom;
_vertices[4].x = left;
_vertices[4].y = middle1;
_vertices[5].x = middle3;
_vertices[5].y = middle1;
_vertices[6].x = middle4;
_vertices[6].y = middle1;
_vertices[7].x = right;
_vertices[7].y = middle1;
_vertices[8].x = left;
_vertices[8].y = middle2;
_vertices[9].x = middle3;
_vertices[9].y = middle2;
_vertices[10].x = middle4;
_vertices[10].y = middle2;
_vertices[11].x = right;
_vertices[11].y = middle2;
_vertices[12].x = left;
_vertices[12].y = top;
_vertices[13].x = middle3;
_vertices[13].y = top;
_vertices[14].x = middle4;
_vertices[14].y = top;
_vertices[15].x = right;
_vertices[15].y = top;
float marginLeft = extraLeft > 0 ? extraLeft / innerSize.x : 0;
float marginRight = extraRight > 0 ? extraRight / innerSize.x : 0;
float marginBottom = extraBottom > 0 ? extraBottom / innerSize.y : 0;
float marginTop = extraTop > 0 ? extraTop / innerSize.y : 0;
float uvLeft = 0;
float uvTop = 0;
float uvRight = 0;
float uvBottom = 0;
float uvMiddle1 = 0;
float uvMiddle2 = 0;
float uvMiddle3 = 0;
float uvMiddle4 = 0;
_sprite.GetUVs(marginLeft, marginTop, marginRight, marginBottom, ref uvLeft, ref uvTop, ref uvRight, ref uvBottom, ref uvMiddle1, ref uvMiddle2, ref uvMiddle3, ref uvMiddle4);
// Set uvs
_uvs[0].x = uvLeft;
_uvs[0].y = uvBottom;
_uvs[1].x = uvMiddle3;
_uvs[1].y = uvBottom;
_uvs[2].x = uvMiddle4;
_uvs[2].y = uvBottom;
_uvs[3].x = uvRight;
_uvs[3].y = uvBottom;
_uvs[4].x = uvLeft;
_uvs[4].y = uvMiddle1;
_uvs[5].x = uvMiddle3;
_uvs[5].y = uvMiddle1;
_uvs[6].x = uvMiddle4;
_uvs[6].y = uvMiddle1;
_uvs[7].x = uvRight;
_uvs[7].y = uvMiddle1;
_uvs[8].x = uvLeft;
_uvs[8].y = uvMiddle2;
_uvs[9].x = uvMiddle3;
_uvs[9].y = uvMiddle2;
_uvs[10].x = uvMiddle4;
_uvs[10].y = uvMiddle2;
_uvs[11].x = uvRight;
_uvs[11].y = uvMiddle2;
_uvs[12].x = uvLeft;
_uvs[12].y = uvTop;
_uvs[13].x = uvMiddle3;
_uvs[13].y = uvTop;
_uvs[14].x = uvMiddle4;
_uvs[14].y = uvTop;
_uvs[15].x = uvRight;
_uvs[15].y = uvTop;
// Get mesh
Mesh mesh = GetMesh();
mesh.Clear();
mesh.vertices = _vertices;
mesh.triangles = _triangles;
mesh.uv = _uvs;
mesh.RecalculateNormals();
;
}