protected override Mesh buildMesh()
{
/* remove all collider child */
while (transform.childCount > 0)
{
DestroyImmediate(transform.GetChild(0).gameObject);
}
/* Create Wall Mesh */
Mesh mesh = new Mesh();
mesh.name = "Curved Wall";
/* initialize */
Vector3[] vertices = new Vector3[(amountOfFace + 1) * 2];
int[] triangles = new int[amountOfFace * 6]; //2 per face * 3 coner
Vector2 curveVertex = new Vector2(-size.x / 2.0f, 0) * curveLength;
Vector2 conerPos = new Vector2(-size.x / 2.0f, size.y); //left top coner
Vector2 bottomPos = new Vector2(0, 0); //middle bottom
Vector2 tangentLineVertex1, tangentLineVertex2;
int halfOfFace = amountOfFace / 2;
GameObject wallColliderObj = null;
vertices[0] = conerPos;
vertices[1] = (Vector3)conerPos + new Vector3(0, 0, -size.z);
/* build mesh and collider */
for (int side = 0; side < 2; side++)
{
for (int i = 1; i <= halfOfFace; i++)
{
float ratio = (float)i / halfOfFace;
if (side > 0)
{
ratio = 1 - ratio;
}
tangentLineVertex1 = Vector2.Lerp(conerPos, curveVertex, ratio);
tangentLineVertex2 = Vector2.Lerp(curveVertex, bottomPos, ratio);
Vector3 nextPos = Vector2.Lerp(tangentLineVertex1, tangentLineVertex2, ratio);
//create 2 new vertices
int verticePivot = (side * halfOfFace + i) * 2;
vertices[verticePivot] = nextPos;
vertices[verticePivot + 1] = nextPos + new Vector3(0, 0, -size.z);
//create 2 triangles of a square face
int trianglePivot = (side * halfOfFace + i - 1) * 6;
triangles[trianglePivot] = verticePivot - 2;
triangles[trianglePivot + 1] = verticePivot - 1;
triangles[trianglePivot + 2] = verticePivot;
triangles[trianglePivot + 3] = verticePivot;
triangles[trianglePivot + 4] = verticePivot - 1;
triangles[trianglePivot + 5] = verticePivot + 1;
//build collider obj for the face
Vector3 driection = vertices[verticePivot - 2] - nextPos;
float width = driection.magnitude;
GameObject wallObj; //create object
if (wallColliderObj == null)
{
wallColliderObj = SquareCoillderCreator.generateSquareObj();
wallObj = wallColliderObj;
}
else
{
wallObj = Instantiate(wallColliderObj);
}
wallObj.transform.parent = transform;
wallObj.transform.position = transform.position + transform.rotation * nextPos;
wallObj.transform.rotation = transform.rotation * Quaternion.LookRotation(driection.normalized, driection.x < 0?Vector3.up:-Vector3.up);
wallObj.transform.localScale = new Vector3(size.z, 1, width);
}
conerPos.x *= -1;
curveVertex.x *= -1;
}
mesh.vertices = vertices;
mesh.triangles = triangles;
mesh.RecalculateNormals();
mesh.RecalculateBounds();
return(mesh);
}
protected override Mesh buildMesh()
{
/* remove all collider child */
while (transform.childCount > 0)
{
DestroyImmediate(transform.GetChild(0).gameObject);
}
/* Create Wall Mesh */
Mesh mesh = new Mesh();
mesh.name = "Circle Wall";
/* initialize */
Vector3[] vertices = new Vector3[amountOfFace * 2];
int[] triangles = new int[amountOfFace * 6]; //2 per face * 3 coner
vertices[0] = new Vector3(0, radius, 0);
vertices[1] = new Vector3(0, radius, -wallHeight);
GameObject wallColliderObj = null;
for (int i = 1; i < amountOfFace; i++)
{
Vector3 vertexPos = Vector3.zero;
float radian = (float)i / (amountOfFace - 1) * Mathf.PI * 2;
vertexPos.x = Mathf.Sin(radian) * radius;
vertexPos.y = Mathf.Cos(radian) * radius;
//create 2 new vertices
int verticePivot = i * 2;
vertices[verticePivot] = vertexPos;
vertices[verticePivot + 1] = vertexPos + new Vector3(0, 0, -wallHeight);
//create 2 triangles of a square face
int trianglePivot = (i - 1) * 6;
triangles[trianglePivot] = verticePivot - 2;
triangles[trianglePivot + 1] = verticePivot - 1;
triangles[trianglePivot + 2] = (verticePivot < vertices.Length)?verticePivot:0;
triangles[trianglePivot + 3] = verticePivot;
triangles[trianglePivot + 4] = verticePivot - 1;
triangles[trianglePivot + 5] = (verticePivot + 1 < vertices.Length)?verticePivot + 1:1;
//build collider obj for the face
Vector3 driection = vertices[verticePivot - 2] - vertexPos;
float width = driection.magnitude;
GameObject wallObj; //create object
if (wallColliderObj == null)
{
wallColliderObj = SquareCoillderCreator.generateSquareObj();
wallObj = wallColliderObj;
}
else
{
wallObj = Instantiate(wallColliderObj);
}
wallObj.transform.parent = transform;
wallObj.transform.position = transform.position + transform.rotation * vertexPos;
wallObj.transform.rotation = transform.rotation * Quaternion.LookRotation(driection, driection.x < 0?Vector3.up:-Vector3.up);
wallObj.transform.localScale = new Vector3(wallHeight, 1, width);
}
mesh.vertices = vertices;
mesh.triangles = triangles;
mesh.RecalculateNormals();
mesh.RecalculateBounds();
return(mesh);
}
