BridgeMesh m_BridgeMesh; // TODO: Move to bridge visualizer
public BridgeManager()
{
m_FirstBridgePoint = RawBridgePoint.INVALID;
m_SecondBridgePoint = RawBridgePoint.INVALID;
m_Bridge = Bridge.INVALID;
m_BridgeMesh = BridgeMesh.INVALID;
}
////////////////////////////////////////////////////////////////
// Private Helpers
////////////////////////////////////////////////////////////////
void ResetBridgeAndBridgePoints()
{
Debug.Log("Reset Bridge Points");
m_FirstBridgePoint = RawBridgePoint.INVALID;
m_SecondBridgePoint = RawBridgePoint.INVALID;
m_Bridge = Bridge.INVALID;
m_BridgeMesh = BridgeMesh.INVALID;
}
////////////////////////////////////////////////////////////////
void OnNewBridgeMesh(CreateBridgeEvent bridgeEvent)
{
// TODO: Blending & stuff.
m_BridgeMeshData = bridgeEvent.BridgeMeshData;
BuildMeshFromBridgeMeshData();
// Save, for each bridge vertex, the vector towards the according bridge point inside its color (can it overflow 1? I twould need to).
// Then, inside the bridges shader, use the vertex color and a slider 0 to 1 to fade in and out the bridge towards its bridge points.
// Also use transparency if possible.
}
void Start()
{
m_BridgeMeshData = BridgeMesh.INVALID;
m_Mesh = null;
m_MeshRenderer = GetComponent <MeshRenderer>();
m_MeshFilter = GetComponent <MeshFilter>();
Debug.Assert(m_MeshRenderer != null);
Debug.Assert(m_MeshFilter != null);
EventManager.Instance.AddListener <CreateBridgeEvent>(OnNewBridgeMesh);
}
////////////////////////////////////////////////////////////////
void UpdateBridgeMesh()
{
BridgeMesh bridgeMesh = BridgeCreator.CreateBridgeMesh(m_Bridge);
EventManager.Instance.FireEvent <CreateBridgeEvent>(new CreateBridgeEvent(bridgeMesh));
}
public static BridgeMesh CreateBridgeMesh(Bridge bridge)
{
Debug.Assert(bridge.IsValid());
// For each bridgePoint [e.g, 0 or 1], we want to add the two bridge vertices [L, R]
//
// L0------------------L1 -
// | | |
// | | < BridgeWidth / 2
// | | |
// 0-------------------1 -
// | |
// | |
// | |
// R0------------------R1
////////////////////////////////////////////////////////////////
int bridgePointCount = bridge.Points.Length;
List <BridgeMeshVertex> vertices = new List <BridgeMeshVertex>();
for (int i = 0; i < bridgePointCount; i++)
{
ValidBridgePoint bridgePoint = bridge.Points[i];
////////////////////////////////////////////////////////////////
bool isEvenPoint = (i % 2 == 0);
AppendBridgeMeshVertices(ref vertices, bridgePoint, isEvenPoint);
}
const int VERTS_PER_BRIDGEPOINT = 2;
int triangleCount = VERTS_PER_BRIDGEPOINT * bridgePointCount;
List <int> indicies = new List <int>();
for (int segementID = 0; segementID < bridgePointCount - 1; segementID++)
{
int nextSegmentID = segementID + 1;
int vertexIDThisSegmentLeft = VERTS_PER_BRIDGEPOINT * segementID + 0;
int vertexIDThisSegmentRight = VERTS_PER_BRIDGEPOINT * segementID + 1;
int vertexIDNextSegmentLeft = VERTS_PER_BRIDGEPOINT * nextSegmentID + 0;
int vertexIDNextSegmentRight = VERTS_PER_BRIDGEPOINT * nextSegmentID + 1;
// Triangle 1: R0, L0, L1
indicies.Add(vertexIDThisSegmentRight);
indicies.Add(vertexIDThisSegmentLeft);
indicies.Add(vertexIDNextSegmentLeft);
// Triangle 2: R0, L1, R1
indicies.Add(vertexIDThisSegmentRight);
indicies.Add(vertexIDNextSegmentLeft);
indicies.Add(vertexIDNextSegmentRight);
}
BridgeMesh bridgeMesh = new BridgeMesh(vertices, indicies);
return(bridgeMesh);
}
