void UpdateKernelParams()
{
m_texture_needs_update = true;
m_particle_num = SPAPI.spGetNumParticles(GetContext());
SPKernelParams p = default(SPKernelParams);
SPAPI.spGetKernelParams(GetContext(), ref p);
p.world_center = transform.position;
p.world_size = transform.localScale;
p.world_div_x = m_world_div_x;
p.world_div_y = m_world_div_y;
p.world_div_z = m_world_div_z;
p.active_region_center = transform.position + m_active_region_center;
p.active_region_extent = m_active_region_extent;
p.enable_interaction = m_enable_interaction ? 1 : 0;
p.enable_colliders = m_enable_colliders ? 1 : 0;
p.enable_forces = m_enable_forces ? 1 : 0;
p.id_as_float = m_id_as_float ? 1 : 0;
p.timestep = Time.deltaTime * m_timescale;
p.damping = m_damping;
p.advection = m_advection;
p.pressure_stiffness = m_pressure_stiffness;
p.scaler = m_coord_scale;
p.particle_size = m_particle_size;
p.max_particles = m_max_particle_num;
SPAPI.spSetKernelParams(GetContext(), ref p);
}
static void ActualUpdate()
{
if (s_instances.Count == 0)
{
return;
}
foreach (SPWorld w in s_instances)
{
SPAPI.spEndUpdate(w.GetContext());
}
foreach (SPWorld w in s_instances)
{
s_current = w;
SPAPI.spCallHandlers(w.GetContext());
SPAPI.spClearCollidersAndForces(w.GetContext());
w.CallUpdateRoutines();
w.UpdateKernelParams();
s_current = null;
}
UpdateSPObjects();
foreach (SPWorld w in s_instances)
{
SPAPI.spBeginUpdate(w.GetContext(), Time.deltaTime);
}
}
void OnDisable()
{
s_instances.Remove(this);
EachTargets((w) =>
{
SPAPI.spRemoveCollider(w.GetContext(), ref m_cprops);
});
}
void OnDestroy()
{
SPAPI.spDestroyContext(GetContext());
if (m_instance_texture != null)
{
m_instance_texture.Release();
m_instance_texture = null;
}
}
public override void SPUpdate()
{
base.SPUpdate();
Matrix4x4 mat = m_trans.localToWorldMatrix;
EachTargets((w) =>
{
SPAPI.spAddBoxCollider(w.GetContext(), ref m_cprops, ref mat, ref m_center, ref m_size);
});
}
public unsafe void PropagateHit(ref SPParticle particle)
{
Vector3 f = SPAPI.spGetIntermediateData(SPWorld.GetCurrentContext())->accel *SPWorld.GetCurrent().m_particle_mass;
if (m_rigid3d != null)
{
m_rigid3d.AddForceAtPosition(f, particle.position);
}
if (m_rigid2d != null)
{
m_rigid2d.AddForceAtPosition(f, particle.position);
}
}
public void UpdateInstanceTexture()
{
if (m_instance_texture == null)
{
m_instance_texture = new RenderTexture(SPWorld.DataTextureWidth, SPWorld.DataTextureHeight, 0, RenderTextureFormat.ARGBFloat, RenderTextureReadWrite.Default);
m_instance_texture.filterMode = FilterMode.Point;
m_instance_texture.Create();
}
if (m_texture_needs_update)
{
m_texture_needs_update = false;
SPAPI.spUpdateDataTexture(GetContext(), m_instance_texture.GetNativeTexturePtr(), m_instance_texture.width, m_instance_texture.height);
}
}
public void SPUpdate()
{
if (m_emit_count_prev != m_emit_count)
{
m_emit_count_prev = m_emit_count;
m_total_emit = Mathf.FloorToInt(m_local_time * m_emit_count);
}
m_local_time += Time.deltaTime;
int emit_total = Mathf.FloorToInt(m_local_time * m_emit_count);
int emit_this_frame = emit_total - m_total_emit;
if (emit_this_frame == 0)
{
return;
}
m_total_emit = emit_total;
m_params.velocity = m_velosity_base;
m_params.velocity_random_diffuse = m_velosity_random_diffuse;
m_params.lifetime = m_lifetime;
m_params.lifetime_random_diffuse = m_lifetime_random_diffuse;
m_params.userdata = m_userdata;
m_params.handler = m_spawn_handler;
Matrix4x4 mat = transform.localToWorldMatrix;
switch (m_shape)
{
case Shape.Sphere:
EachTargets((w) =>
{
SPAPI.spScatterParticlesSphereTransform(w.GetContext(), ref mat, emit_this_frame, ref m_params);
});
break;
case Shape.Box:
EachTargets((w) =>
{
SPAPI.spScatterParticlesBoxTransform(w.GetContext(), ref mat, emit_this_frame, ref m_params);
});
break;
}
}
public void SPUpdate()
{
m_mpprops.dir_type = m_direction_type;
m_mpprops.shape_type = m_shape_type;
m_mpprops.strength_near = m_strength_near;
m_mpprops.strength_far = m_strength_far;
m_mpprops.rcp_range = 1.0f / (m_strength_far - m_strength_near);
m_mpprops.range_inner = m_range_inner;
m_mpprops.range_outer = m_range_outer;
m_mpprops.attenuation_exp = m_attenuation_exp;
m_mpprops.random_seed = m_random_seed;
m_mpprops.random_diffuse = m_random_diffuse;
m_mpprops.direction = m_direction;
m_mpprops.center = transform.position;
m_mpprops.rcp_cellsize = new Vector3(1.0f / m_cellsize.x, 1.0f / m_cellsize.y, 1.0f / m_cellsize.z);
Matrix4x4 mat = transform.localToWorldMatrix;
EachTargets((w) =>
{
SPAPI.spAddForce(w.GetContext(), ref m_mpprops, ref mat);
});
}
void Awake()
{
m_context = SPAPI.spCreateContext();
}
