97 lines
2.4 KiB
C#
97 lines
2.4 KiB
C#
using UnityEngine;
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public class SpriteManager : MonoBehaviour
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{
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public int m_UVx;
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public int m_UVy;
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public int m_width = 1;
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public int m_height = 1;
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public int m_atlasGridSubdivisions = 8;
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public int m_zOrder;
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public bool m_meshCreated;
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protected Mesh m_spriteMesh;
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public Mesh SpriteMesh
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{
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get
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{
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return m_spriteMesh;
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}
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}
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private void Awake()
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{
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MeshFilter mf = GetComponent(typeof(MeshFilter)) as MeshFilter;
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CreatePlane(mf);
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MapUVToTexture(m_UVx, m_UVy, m_width, m_height);
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}
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public void MapUVToTexture(int UVx, int UVy, int width, int height)
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{
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if (!(m_spriteMesh == null))
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{
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m_UVx = UVx;
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m_UVy = UVy;
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m_width = width;
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m_height = height;
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Vector3[] vertices = m_spriteMesh.vertices;
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Vector2[] array = new Vector2[vertices.Length];
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for (int i = 0; i < array.Length; i++)
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{
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float num = 0.5f * (1f / (float)m_atlasGridSubdivisions / (float)(1024 / m_atlasGridSubdivisions)) * vertices[i].x;
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float num2 = 0.5f * (1f / (float)m_atlasGridSubdivisions / (float)(1024 / m_atlasGridSubdivisions)) * vertices[i].y;
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float x = Mathf.Clamp(vertices[i].x, 0f, 1f) * (1f / (float)m_atlasGridSubdivisions) * (float)m_width + (float)m_UVx * (1f / (float)m_atlasGridSubdivisions) - num;
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float y = Mathf.Clamp(vertices[i].y, 0f, 1f) * (1f / (float)m_atlasGridSubdivisions) * (float)m_height + (float)m_UVy * (1f / (float)m_atlasGridSubdivisions) - num2;
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array[i] = new Vector2(x, y);
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}
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m_spriteMesh.uv = array;
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}
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}
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public void SetUVs(Vector2[] newUVs)
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{
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m_spriteMesh.uv = newUVs;
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}
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public void CreatePlane(MeshFilter mf)
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{
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if (!m_meshCreated)
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{
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Mesh mesh = new Mesh();
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mesh.name = "PreviewMesh_1x1";
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Vector3[] array = new Vector3[4];
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int[] triangles = new int[6] { 0, 1, 2, 2, 3, 0 };
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array[0] = new Vector3(-1f, -1f, 0f);
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array[1] = new Vector3(-1f, 1f, 0f);
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array[2] = new Vector3(1f, 1f, 0f);
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array[3] = new Vector3(1f, -1f, 0f);
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mesh.vertices = array;
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mesh.triangles = triangles;
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mf.sharedMesh = mesh;
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m_spriteMesh = mf.sharedMesh;
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mf.sharedMesh.RecalculateNormals();
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mf.sharedMesh.RecalculateBounds();
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m_meshCreated = true;
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}
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}
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private void OnDrawGizmos()
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{
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if (!Application.isPlaying)
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{
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MeshFilter component = base.transform.GetComponent<MeshFilter>();
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if ((bool)component)
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{
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CreatePlane(component);
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MapUVToTexture(m_UVx, m_UVy, m_width, m_height);
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}
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}
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}
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}
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