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Add FRUSTUM camera mode, allowing tilted frustums

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This new camera mode makes it easy to create tilted frustums for mirror
or portal effects.

This work was kindly sponsored by IMVU.
This commit is contained in:
JFonS 2019-02-19 17:17:02 +01:00
parent c7ba1e210e
commit 54b95b6c5a
11 changed files with 133 additions and 27 deletions
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21
servers/visual/visual_server_scene.cpp
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@ -61,6 +61,16 @@ void VisualServerScene::camera_set_orthogonal(RID p_camera, float p_size, float
camera->zfar = p_z_far;
}
void VisualServerScene::camera_set_frustum(RID p_camera, float p_size, Vector2 p_offset, float p_z_near, float p_z_far) {
Camera *camera = camera_owner.get(p_camera);
ERR_FAIL_COND(!camera);
camera->type = Camera::FRUSTUM;
camera->size = p_size;
camera->offset = p_offset;
camera->znear = p_z_near;
camera->zfar = p_z_far;
}
void VisualServerScene::camera_set_transform(RID p_camera, const Transform &p_transform) {
Camera *camera = camera_owner.get(p_camera);
@ -1720,6 +1730,17 @@ void VisualServerScene::render_camera(RID p_camera, RID p_scenario, Size2 p_view
ortho = false;
} break;
case Camera::FRUSTUM: {
camera_matrix.set_frustum(
camera->size,
p_viewport_size.width / (float)p_viewport_size.height,
camera->offset,
camera->znear,
camera->zfar,
camera->vaspect);
ortho = false;
} break;
}
_prepare_scene(camera->transform, camera_matrix, ortho, camera->env, camera->visible_layers, p_scenario, p_shadow_atlas, RID());