private void Update()
{
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
float3 dir = ray.direction;
float3 pos = ray.origin;
raycast_result result;
if (Input.GetKeyDown(KeyCode.Mouse1))
{
System.Diagnostics.Stopwatch sw = System.Diagnostics.Stopwatch.StartNew();
Raycast.RaycastJob(ref gameWorld, pos, dir, 1000, out result);
sw.Stop();
Debug.Log($"Raycast took {sw.ElapsedMilliseconds}ms and hit {result.hitPos.x}, {result.hitPos.y}, {result.hitPos.z}");
GameObject go = GameObject.CreatePrimitive(PrimitiveType.Sphere);
go.transform.localScale = new Vector3(.35f, .25f, .25f);
go.transform.position = result.hitPos;
Debug.DrawLine(pos, result.hitPos, new Color32(122, 0, 122, 255), 10000);
}
float boxDimWithPadding = (gameWorld.entityCount * .5f) + gameWorld.entityCount;
Bounds b = new Bounds(new Vector3(boxDimWithPadding / 2, 0, boxDimWithPadding / 2), new Vector3(boxDimWithPadding, 100, boxDimWithPadding));
//positionBuffer.SetData(positions);
//material.SetBuffer("positionBuffer", positionBuffer);
Graphics.DrawMeshInstancedIndirect(boxMesh, 0, material, b, argsBuffer);
}
private void Update()
{
if (Input.GetKeyDown(KeyCode.Mouse1))
{
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
float3 dir = ray.direction;
float3 pos = ray.origin;
raycast_result result;
System.Diagnostics.Stopwatch sw = System.Diagnostics.Stopwatch.StartNew();
Raycast.RaycastJob(ref gameWorld, pos, dir, 1000, out result);
//Raycast.SlowRayCast(gameWorld, pos, dir, 1000, out result);
sw.Stop();
string hitStr = $"hit {gameWorld.entities[result.hitEntityIndex].name} entity as position {result.hitPos}";
Color drawColor = new Color32(122, 0, 122, 255);
selectedEntityIndex = result.hitEntityIndex;
if (!result.didHit)
{
hitStr = "did not hit";
drawColor = new Color32(255, 0, 0, 255);
selectedEntityIndex = -1;
}
Debug.Log($"Raycast took {sw.ElapsedMilliseconds}ms and {hitStr}");
Debug.DrawLine(pos, result.hitPos, drawColor, 10000);
}
if (selectedEntityIndex >= 0)
{
entity selectedEntity = gameWorld.entities[selectedEntityIndex];
if (GameWorld.HasTag(ref selectedEntity, global::tag.BUILDING))
{
selectedBuildingTransform.position = selectedEntity.position;
buildingUI.GetComponentInChildren <TMPro.TMP_Text>().text = selectedEntity.name;
UIHelpers.WorldSpaceToScreenSpace(ref selectedBuildingTransform, ref buildingUI, ref dynamicBuildingCanvas);
}
}
if (debugRender)
{
Camera cam = Camera.main;
Quaternion rot = Quaternion.Euler(rotation);
for (int i = 0; i < gameWorld.entityCount; ++i)
{
Graphics.DrawMesh(debugMeshes[i], gameWorld.entities[i].position, rot, debugMat, 1, cam);
}
}
#if false //Draw the ground entity.
Graphics.DrawMesh(groundMesh, groundPos, Quaternion.identity, debugMat, 1, Camera.main);
#endif
}
private void Start()
{
mainCam = Camera.main;
gameWorld = new world(30000);
positions = new Vector4[gameWorld.maxEntities];
positionBuffer = new ComputeBuffer(gameWorld.maxEntities, 16);
argsBuffer = new ComputeBuffer(1, args.Length * sizeof(uint), ComputeBufferType.IndirectArguments);
#if true
SpawnLotsOfCubes(ref gameWorld, gameWorld.maxEntities);
float3 start = new float3(50, 0, -50);
System.Diagnostics.Stopwatch sw = System.Diagnostics.Stopwatch.StartNew();
raycast_result hitResult;
Raycast.RaycastJob(ref gameWorld, new float3(50, 0, -50), forward, 10000, out hitResult);
sw.Stop();
Debug.Log($"Raycast took {sw.ElapsedMilliseconds}ms");
#endif
#if false
SpawnLotsOfGameObjects(gameWorld.maxEntities);
System.Diagnostics.Stopwatch sw2 = System.Diagnostics.Stopwatch.StartNew();
Physics.Raycast(new Vector3(50, 0, -5), Vector3.forward, 10000);
sw2.Stop();
Debug.Log($"Unity Raycast took {sw2.ElapsedMilliseconds}ms");
#endif
#if true
RayCastAlongSphere(ref gameWorld, new float3(0, 0, 0), 20f);
#endif
#if false
BoundsTests(ref test);
#endif
#if false
float3CreationTests();
#endif
#if false
ProjectionTests();
#endif
}
private static void RayCastAlongSphere(ref world _w, float3 _origin, float _radius)
{
System.Diagnostics.Stopwatch sw = System.Diagnostics.Stopwatch.StartNew();
float diameter = _radius * 2;
float yStep = _radius / 25;
float cStep = 360 / 25;
raycast_result hitResult;
int count = 0;
for (float y = -_radius;
y <= _radius;
y += yStep)
{
float absY = Mathf.Abs(y);
float ratio = (_radius - absY);
for (float c = 0;
c < 360;
c += cStep)
{
float x = Mathf.Sin(c) * ratio;
float z = Mathf.Cos(c) * ratio;
float3 start = new float3(x, y, z);
start = Math.Float3Normalize(start);
start = start * _radius;
float3 dir = Math.Float3Normalize(new float3(0, 0, 0) - start);
if (Raycast.RaycastJob(ref _w, start, dir, _radius, out hitResult))
{
raycast_result result2;
float3 newStart = start + Math.Float3FromDirAndMag(start, dir * 1, _radius * 2);
//newStart = float3Addfloat3(hitResult.hitPos, float3FromDirAndMag(hitResult.hitPos, dir, 1));
if (Raycast.RaycastJob(ref _w, newStart, dir * 1, _radius * 2, out result2))
{
Debug.DrawLine(hitResult.hitPos, result2.hitPos, Color.green, Mathf.Infinity);
}
count++;
}
count++;
}
}
sw.Stop();
Debug.Log($"ElapsedTime: {sw.ElapsedMilliseconds}ms for {count} raycasts");
}
