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Implement GPU Particle Collisions

Browse Source 
-Sphere Attractor
-Box Attractor
-Vector Field
-Sphere Collider
-Box Collider
-Baked SDF Collider
-Heightmap Collider
This commit is contained in:
reduz
2020-10-07 21:29:49 -03:00
parent c35005ba25
commit 26f5bd245c
32 changed files with 2947 additions and 102 deletions
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17
servers/rendering/rasterizer_rd/rasterizer_scene_rd.cpp
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@@ -7511,6 +7511,23 @@ void RasterizerSceneRD::render_sdfgi(RID p_render_buffers, int p_region, Instanc
}
}
void RasterizerSceneRD::render_particle_collider_heightfield(RID p_collider, const Transform &p_transform, InstanceBase **p_cull_result, int p_cull_count) {
ERR_FAIL_COND(!storage->particles_collision_is_heightfield(p_collider));
Vector3 extents = storage->particles_collision_get_extents(p_collider) * p_transform.basis.get_scale();
CameraMatrix cm;
cm.set_orthogonal(-extents.x, extents.x, -extents.z, extents.z, 0, extents.y * 2.0);
Vector3 cam_pos = p_transform.origin;
cam_pos.y += extents.y;
Transform cam_xform;
cam_xform.set_look_at(cam_pos, cam_pos - p_transform.basis.get_axis(Vector3::AXIS_Y), -p_transform.basis.get_axis(Vector3::AXIS_Z).normalized());
RID fb = storage->particles_collision_get_heightfield_framebuffer(p_collider);
_render_particle_collider_heightfield(fb, cam_xform, cm, p_cull_result, p_cull_count);
}
void RasterizerSceneRD::render_sdfgi_static_lights(RID p_render_buffers, uint32_t p_cascade_count, const uint32_t *p_cascade_indices, const RID **p_positional_light_cull_result, const uint32_t *p_positional_light_cull_count) {
RenderBuffers *rb = render_buffers_owner.getornull(p_render_buffers);
ERR_FAIL_COND(!rb);