private void PrepareReaction()
{
Vector3 ignoreLocalSpeed = GetCameraIdeaPivot.InverseTransformDirection(preset.Instance.CameraPivot.Velocity) - preset.Instance.CameraPivot.LocalVelocity;
float relativeSpeed = Vector3.zero.Distance(ignoreLocalSpeed) / Time.fixedDeltaTime;
float peak = Mathf.Min(2f, relativeSpeed * m_RadiusSpeedFactor);
m_Radius = Mathf.Lerp(m_Radius, peak, Time.fixedDeltaTime);
float radius = m_Radius + m_SafeRadiusFar;
float distance = GetCameraIdeaDistance;
Transform
org = m_BasedOnVirtualFaceTarget ? GetCameraLookAt : GetChaseTarget;
Vector3
cam = GetCameraIdeaPivot.position,
//current = GetCameraCurrentPivot.position,
cUp = GetCameraIdeaPivot.TransformPoint(Vector3.up * radius),
cDown = GetCameraIdeaPivot.TransformPoint(-Vector3.up * radius),
cLeft = GetCameraIdeaPivot.TransformPoint(-Vector3.right * radius),
cRight = GetCameraIdeaPivot.TransformPoint(Vector3.right * radius),
oUp = org.position.PointOnDistance(GetCameraIdeaPivot.up, m_SafeRadiusNear),
oDown = org.position.PointOnDistance(-GetCameraIdeaPivot.up, m_SafeRadiusNear),
oLeft = org.position.PointOnDistance(-GetCameraIdeaPivot.right, m_SafeRadiusNear),
oRight = org.position.PointOnDistance(GetCameraIdeaPivot.right, m_SafeRadiusNear);
float
finalPos = PointRay(org.position, cam, distance),
fixUp = m_SafeDistance - DirectionRay(GetCameraCurrentPivot.TransformPoint(Vector3.up * .1f), GetCameraIdeaPivot.up, m_SafeDistance),
fixDown = m_SafeDistance - DirectionRay(GetCameraCurrentPivot.TransformPoint(-Vector3.up * .1f), -GetCameraIdeaPivot.up, m_SafeDistance),
fixLeft = m_SafeDistance - DirectionRay(GetCameraCurrentPivot.TransformPoint(-Vector3.right * .1f), -GetCameraIdeaPivot.right, m_SafeDistance),
fixRight = m_SafeDistance - DirectionRay(GetCameraCurrentPivot.TransformPoint(Vector3.right * .1f), GetCameraIdeaPivot.right, m_SafeDistance),
fixH = 0f, fixV = 0f;
// avoid contact by safe distance.
fixV = Mathf.Lerp(-fixDown, fixUp, 0.5f); // center
fixH = Mathf.Lerp(-fixLeft, fixRight, 0.5f); // center
// check eye sight, predict obstacle avoidance.
if (Mathf.Approximately(0f, finalPos))
{
float[] arr = new float[] {
PointRay(oUp, cUp, distance),
PointRay(oDown, cDown, distance),
PointRay(oLeft, cLeft, distance),
PointRay(oRight, cRight, distance)
};
finalPos = Mathf.Max(arr);
}
ToLocalPosition = new Vector3(fixH, fixV, finalPos);
}
private float DirectionRay(Vector3 startPoint, Vector3 direction, float distance)
{
Debug.DrawRay(startPoint, direction, Color.yellow);
RaycastHit hit;
if (Physics.Raycast(startPoint, direction, out hit, distance, ~m_IgnoreLayerMask, QueryTriggerInteraction.UseGlobal))
{
Debug.DrawLine(startPoint, hit.point, Color.red, 0.01f);
Vector3 point = GetCameraIdeaPivot.InverseTransformPoint(hit.point);
// we only care about Z-axis
return(point.z);
}
return(0f);
}
private void BackwardRaycast()
{
RaycastHit hit;
if (Physics.Raycast(
GetCameraLookAt.position,
GetCameraIdeaDirection,
out hit,
GetCameraIdeaDistance,
~m_IgnoreLayerMask,
QueryTriggerInteraction.UseGlobal))
{
ToLocalPosition = GetCameraIdeaPivot.InverseTransformPoint(hit.point.PointOnDistance(-GetCameraIdeaDirection, m_SafeDistance));
Debug.DrawLine(GetCameraLookAt.position, hit.point, Color.red, 0.01f);
}
else
{
ToLocalPosition = Vector3.zero;
}
}
