luboslenco
95 lines
3.3 KiB
TypeScript
95 lines
3.3 KiB
TypeScript
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function viewport_scale_to_bounds() {
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let po: mesh_object_t = context_raw.merged_object == null ? context_main_object() : context_raw.merged_object;
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let md: mesh_data_t = po.data;
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let aabb: vec4_t = mesh_data_calculate_aabb(md);
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let r: f32 = math_sqrt(aabb.x * aabb.x + aabb.y * aabb.y + aabb.z * aabb.z);
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po = context_main_object();
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po.base.transform.dim.x = aabb.x;
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po.base.transform.dim.y = aabb.y;
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po.base.transform.dim.z = aabb.z;
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po.base.transform.scale = vec4_create(2 / r, 2 / r, 2 / r);
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po.base.transform.loc = vec4_create(0, 0, 0);
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transform_build_matrix(po.base.transform);
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for (let i: i32 = 0; i < po.base.children.length; ++i) {
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let c: object_t = po.base.children[i];
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c.transform.loc = vec4_create(0, 0, 0);
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transform_build_matrix(c.transform);
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}
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}
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function viewport_reset() {
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let cam: camera_object_t = scene_camera;
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for (let i: i32 = 0; i < _scene_raw.objects.length; ++i) {
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let o: obj_t = _scene_raw.objects[i];
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if (o.type == "camera_object") {
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cam.base.transform.local = mat4_from_f32_array(o.transform);
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transform_decompose(cam.base.transform);
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if (context_raw.fov_handle != null) {
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context_raw.fov_handle.value = cam.data.fov = base_default_fov;
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}
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context_raw.cam_handle.position = 0;
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cam.data.ortho = null;
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camera_object_build_proj(cam);
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context_raw.ddirty = 2;
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camera_reset();
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transform_reset(context_main_object().base.transform);
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break;
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}
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}
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}
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function viewport_set_view(x: f32, y: f32, z: f32, rx: f32, ry: f32, rz: f32) {
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context_raw.paint_object.base.transform.rot = quat_create(0, 0, 0, 1);
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context_raw.paint_object.base.transform.dirty = true;
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let cam: camera_object_t = scene_camera;
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let dist: f32 = vec4_len(cam.base.transform.loc);
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cam.base.transform.loc = vec4_create(x * dist, y * dist, z * dist);
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cam.base.transform.rot = quat_from_euler(rx, ry, rz);
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transform_build_matrix(cam.base.transform);
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camera_object_build_proj(cam);
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context_raw.ddirty = 2;
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camera_reset(context_raw.view_index_last);
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}
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function viewport_orbit(x: f32, y: f32) {
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let cam: camera_object_t = scene_camera;
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let dist: f32 = camera_distance();
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transform_move(cam.base.transform, camera_object_look_world(cam), dist);
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transform_rotate(cam.base.transform, vec4_create(0, 0, 1), x);
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transform_rotate(cam.base.transform, camera_object_right_world(cam), y);
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transform_move(cam.base.transform, camera_object_look_world(cam), -dist);
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context_raw.ddirty = 2;
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}
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function viewport_orbit_opposite() {
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let cam: camera_object_t = scene_camera;
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let look: vec4_t = camera_object_look(cam);
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let z: f32 = math_abs(look.z) - 1.0;
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(z < 0.0001 && z > -0.0001) ? viewport_orbit(0, math_pi()) : viewport_orbit(math_pi(), 0);
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}
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function viewport_zoom(f: f32) {
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let cam: camera_object_t = scene_camera;
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transform_move(cam.base.transform, camera_object_look(cam), f);
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context_raw.ddirty = 2;
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}
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function viewport_update_camera_type(camera_type: i32) {
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let cam: camera_object_t = scene_cameras[0];
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if (camera_type == camera_type_t.PERSPECTIVE) {
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cam.data.ortho = null;
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}
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else {
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let f32a: f32_array_t = f32_array_create(4);
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let f: f32 = cam.data.fov * vec4_len(mat4_get_loc(cam.base.transform.world)) / 2.5;
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f32a[0] = -2 * f;
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f32a[1] = 2 * f;
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f32a[2] = -2 * f * (sys_h() / sys_w());
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f32a[3] = 2 * f * (sys_h() / sys_w());
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cam.data.ortho = f32a;
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}
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camera_object_build_proj(cam);
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context_raw.ddirty = 2;
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}
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