private void CalculateWalkableTiles()
{
var player = PlayerActor.Instance;
var distance = player.stats.currentStats.speed;
// var pos = GridUtil.GridToWorld(player.GridPosition);
// var VBuffer = new List<Vector3>();
var walkableTiles = Astar.Area(player.GridPosition, distance);
var vol = GenerationLib.makeVolume(
new float[3][] {
new float[] { -distance - 1, distance + 1, 1f },
new float[] { 0, 1, 1f },
new float[] { -distance - 1, distance + 1, 1f }
}, (x, y, z) => {
if ((int)y < 0.5f)
{
return(0);
}
return(walkableTiles.Contains(new NVector2((int)x + player.GridPosition.x, (int)z + player.GridPosition.y)) ? 1 : 0);
});
List <int> iBuffer;
List <Vector2> uvs;
List <Vector3> vBuffer;
SurfaceNets.GenerateSurfaceMesh(vol, 0.5f, out vBuffer, out iBuffer, out uvs);
var delta = ((distance + 1) - (-distance - 1)) / 2.0f + 0.5f;
vBuffer = vBuffer.Select(v => new Vector3(v.x - delta, 0.0f, v.z - delta)).ToList();
this.walkableTiles = new HashSet <NVector2>(walkableTiles);
mesh.Clear();
mesh.SetVertices(vBuffer);
mesh.SetIndices(iBuffer.ToArray(), MeshTopology.Quads, 0);
mesh.uv = uvs.ToArray();
mesh.RecalculateNormals();
mesh.RecalculateBounds();
}
/*void OnDrawGizmos() {
* Gizmos.color = new Color(1, 0.45f, 0.25f, 0.5f);
*
* if(visibleArea == null) return;
*
* var awareness = enemyActor.stats.currentStats.awareness;
* var pos = enemyActor.GridPosition;
* var forward = new NVector2(this.transform.forward.To2DXZ());
* var right = new NVector2(forward.y, -forward.x);
*
* for (int x = 0; x < (awareness*2)+1; ++x) {
* for (int y = 0; y < awareness+1; ++y) {
* if(! visibleArea[x, y]) continue;
*
* var wpos = GridUtil.GridToWorld((pos + forward*y + right*(x-awareness-1)));
*
* Gizmos.DrawCube(wpos, Vector3.one * 0.25f);
* }
* }
* /*
* for (int x = -visibleArea.GetLength(0) / 2; x < visibleArea.GetLength(0) / 2; ++x) {
* for (int y = -visibleArea.GetLength(1) / 2; y < visibleArea.GetLength(1) / 2; ++y) {
* if(visibleArea[x + visibleArea.GetLength(0) / 2, y + visibleArea.GetLength(1) / 2])
*
*
* Gizmos.DrawCube(this.transform.position - new Vector3(x, 0, y), Vector3.one * 0.25f);
* }
* }
#1#
* }*/
public void RecalculateVisibleArea(bool step)
{
if (!step)
{
return;
}
var awareness = enemyActor.stats.currentStats.awareness;
visibleArea = VisibleArea.CalculateVisibleArea(
enemyActor.GridPosition,
awareness,
new NVector2(this.transform.forward.To2DXZ()),
viewAngle: enemyActor.stats.viewAngle
);
var vol = GenerationLib.makeVolume(
new float[3][] {
new float[] { -awareness, awareness + 1, 1f },
new float[] { 0, 1, 1f },
new float[] { 0, awareness + 1, 1f }
}, (x, y, z) => {
if ((int)y < 0.5f)
{
return(0);
}
if ((awareness + x) < 0 || (awareness + x) >= visibleArea.GetLength(0))
{
return(0);
}
if ((z) < 0 || (z) >= visibleArea.GetLength(1))
{
return(0);
}
return(visibleArea[awareness + (int)x, (int)z] ? 1 : 0);
});
// copied from PlayerActionSelector:
// potential refactor to an own method
List <int> iBuffer;
List <Vector2> uvs;
List <Vector3> vBuffer;
SurfaceNets.GenerateSurfaceMesh(vol, 0.5f, out vBuffer, out iBuffer, out uvs);
// var delta = 0f;//(awareness - awareness)/2.0f +0.5f;
// var gridpos = enemyActor.GridPosition;
// var forward = new NVector2(this.transform.forward.To2DXZ());
// var right = new NVector2(forward.y, -forward.x);
vBuffer = vBuffer.Select(v => this.transform.forward * (v.z - 0.5f) + this.transform.right * (v.x - awareness - 0.5f)).ToList();
// this.walkableTiles = new HashSet<NVector2>(walkableTiles);
mesh.Clear();
mesh.SetVertices(vBuffer);
mesh.SetIndices(iBuffer.ToArray(), MeshTopology.Quads, 0);
mesh.uv = uvs.ToArray();
mesh.RecalculateNormals();
mesh.RecalculateBounds();
}
