void Update()
{
if (OceanRenderer.Instance == null || OceanRenderer.Instance.CollisionProvider == null)
{
return;
}
// Even if only a single ray trace is desired, this still must be called every frame until Trace() returns true
_rayTrace.Init(transform.position, transform.forward);
if (_rayTrace.Trace(out float dist))
{
var endPos = transform.position + transform.forward * dist;
Debug.DrawLine(transform.position, endPos, Color.green);
VisualiseCollisionArea.DebugDrawCross(endPos, 2f, Color.green, 0f);
}
else
{
Debug.DrawLine(transform.position, transform.position + transform.forward * 50f, Color.red);
}
}
void FixedUpdate()
{
UnityEngine.Profiling.Profiler.BeginSample("SimpleFloatingObject.FixedUpdate");
if (OceanRenderer.Instance == null)
{
UnityEngine.Profiling.Profiler.EndSample();
return;
}
var collProvider = OceanRenderer.Instance.CollisionProvider;
var position = transform.position;
var normal = Vector3.up; var waterSurfaceVel = Vector3.zero;
_sampleHeightHelper.Init(transform.position, _objectWidth, true);
_sampleHeightHelper.Sample(ref _displacementToObject, ref normal, ref waterSurfaceVel);
var undispPos = transform.position - _displacementToObject;
undispPos.y = OceanRenderer.Instance.SeaLevel;
if (_debugDraw)
{
VisualiseCollisionArea.DebugDrawCross(undispPos, 1f, Color.red);
}
{
_sampleFlowHelper.Init(transform.position, ObjectWidth);
Vector2 surfaceFlow = Vector2.zero;
_sampleFlowHelper.Sample(ref surfaceFlow);
waterSurfaceVel += new Vector3(surfaceFlow.x, 0, surfaceFlow.y);
}
if (_debugDraw)
{
Debug.DrawLine(transform.position + 5f * Vector3.up, transform.position + 5f * Vector3.up + waterSurfaceVel,
new Color(1, 1, 1, 0.6f));
}
var velocityRelativeToWater = _rb.velocity - waterSurfaceVel;
var dispPos = undispPos + _displacementToObject;
if (_debugDraw)
{
VisualiseCollisionArea.DebugDrawCross(dispPos, 4f, Color.white);
}
float height = dispPos.y;
float bottomDepth = height - transform.position.y + _raiseObject;
_inWater = bottomDepth > 0f;
if (!_inWater)
{
UnityEngine.Profiling.Profiler.EndSample();
return;
}
var buoyancy = -Physics.gravity.normalized * _buoyancyCoeff * bottomDepth * bottomDepth * bottomDepth;
_rb.AddForce(buoyancy, ForceMode.Acceleration);
// apply drag relative to water
var forcePosition = _rb.position + _forceHeightOffset * Vector3.up;
_rb.AddForceAtPosition(Vector3.up * Vector3.Dot(Vector3.up, -velocityRelativeToWater) * _dragInWaterUp, forcePosition, ForceMode.Acceleration);
_rb.AddForceAtPosition(transform.right * Vector3.Dot(transform.right, -velocityRelativeToWater) * _dragInWaterRight, forcePosition, ForceMode.Acceleration);
_rb.AddForceAtPosition(transform.forward * Vector3.Dot(transform.forward, -velocityRelativeToWater) * _dragInWaterForward, forcePosition, ForceMode.Acceleration);
FixedUpdateOrientation(normal);
UnityEngine.Profiling.Profiler.EndSample();
}
void FixedUpdate()
{
UnityEngine.Profiling.Profiler.BeginSample("SimpleFloatingObject.FixedUpdate");
if (OceanRenderer.Instance == null)
{
UnityEngine.Profiling.Profiler.EndSample();
return;
}
// Trigger processing of displacement textures that have come back this frame. This will be processed
// anyway in Update(), but FixedUpdate() is earlier so make sure it's up to date now.
if (OceanRenderer.Instance._simSettingsAnimatedWaves.CollisionSource == SimSettingsAnimatedWaves.CollisionSources.OceanDisplacementTexturesGPU && GPUReadbackDisps.Instance)
{
GPUReadbackDisps.Instance.ProcessRequests();
}
var collProvider = OceanRenderer.Instance.CollisionProvider;
var position = transform.position;
var normal = Vector3.up; var waterSurfaceVel = Vector3.zero;
_sampleHeightHelper.Init(transform.position, _objectWidth);
_sampleHeightHelper.Sample(ref _displacementToObject, ref normal, ref waterSurfaceVel);
var undispPos = transform.position - _displacementToObject;
undispPos.y = OceanRenderer.Instance.SeaLevel;
if (_debugDraw)
{
VisualiseCollisionArea.DebugDrawCross(undispPos, 1f, Color.red);
}
if (QueryFlow.Instance)
{
_sampleFlowHelper.Init(transform.position, ObjectWidth);
Vector2 surfaceFlow = Vector2.zero;
_sampleFlowHelper.Sample(ref surfaceFlow);
waterSurfaceVel += new Vector3(surfaceFlow.x, 0, surfaceFlow.y);
}
if (_debugDraw)
{
Debug.DrawLine(transform.position + 5f * Vector3.up, transform.position + 5f * Vector3.up + waterSurfaceVel,
new Color(1, 1, 1, 0.6f));
}
var velocityRelativeToWater = _rb.velocity - waterSurfaceVel;
var dispPos = undispPos + _displacementToObject;
if (_debugDraw)
{
VisualiseCollisionArea.DebugDrawCross(dispPos, 4f, Color.white);
}
float height = dispPos.y;
float bottomDepth = height - transform.position.y + _raiseObject;
_inWater = bottomDepth > 0f;
if (!_inWater)
{
UnityEngine.Profiling.Profiler.EndSample();
return;
}
var buoyancy = -Physics.gravity.normalized * _buoyancyCoeff * bottomDepth * bottomDepth * bottomDepth;
_rb.AddForce(buoyancy, ForceMode.Acceleration);
// apply drag relative to water
var forcePosition = _rb.position + _forceHeightOffset * Vector3.up;
_rb.AddForceAtPosition(Vector3.up * Vector3.Dot(Vector3.up, -velocityRelativeToWater) * _dragInWaterUp, forcePosition, ForceMode.Acceleration);
_rb.AddForceAtPosition(transform.right * Vector3.Dot(transform.right, -velocityRelativeToWater) * _dragInWaterRight, forcePosition, ForceMode.Acceleration);
_rb.AddForceAtPosition(transform.forward * Vector3.Dot(transform.forward, -velocityRelativeToWater) * _dragInWaterForward, forcePosition, ForceMode.Acceleration);
FixedUpdateOrientation(normal);
UnityEngine.Profiling.Profiler.EndSample();
}