luboslenco
96 lines
3.1 KiB
TypeScript
96 lines
3.1 KiB
TypeScript
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class Viewport {
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static scaleToBounds = () => {
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let po = Context.raw.mergedObject == null ? Context.mainObject() : Context.raw.mergedObject;
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let md = po.data;
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let aabb = MeshData.calculateAABB(md);
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let r = Math.sqrt(aabb.x * aabb.x + aabb.y * aabb.y + aabb.z * aabb.z);
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po = Context.mainObject();
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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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Vec4.set(po.base.transform.scale, 2 / r, 2 / r, 2 / r);
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Vec4.set(po.base.transform.loc, 0, 0, 0);
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Transform.buildMatrix(po.base.transform);
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for (let c of po.base.children) {
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Vec4.set(c.transform.loc, 0, 0, 0);
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Transform.buildMatrix(c.transform);
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}
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}
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static reset = () => {
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let cam = Scene.camera;
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for (let o of Scene.raw.objects) {
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if (o.type == "camera_object") {
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Mat4.setF32(cam.base.transform.local, o.transform.values);
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Transform.decompose(cam.base.transform);
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if (Context.raw.fovHandle != null) Context.raw.fovHandle.value = cam.data.fov = Base.defaultFov;
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Context.raw.camHandle.position = 0;
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cam.data.ortho = null;
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CameraObject.buildProjection(cam);
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Context.raw.ddirty = 2;
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Camera.reset();
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Transform.reset(Context.mainObject().base.transform);
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break;
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}
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}
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}
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static setView = (x: f32, y: f32, z: f32, rx: f32, ry: f32, rz: f32) => {
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Quat.set(Context.raw.paintObject.base.transform.rot, 0, 0, 0, 1);
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Context.raw.paintObject.base.transform.dirty = true;
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let cam = Scene.camera;
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let dist = Vec4.vec4_length(cam.base.transform.loc);
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Vec4.set(cam.base.transform.loc, x * dist, y * dist, z * dist);
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Quat.fromEuler(cam.base.transform.rot, rx, ry, rz);
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Transform.buildMatrix(cam.base.transform);
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CameraObject.buildProjection(cam);
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Context.raw.ddirty = 2;
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Camera.reset(Context.raw.viewIndexLast);
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}
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static orbit = (x: f32, y: f32) => {
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let cam = Scene.camera;
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let dist = Camera.distance();
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Transform.move(cam.base.transform, CameraObject.lookWorld(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, CameraObject.rightWorld(cam), y);
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Transform.move(cam.base.transform, CameraObject.lookWorld(cam), -dist);
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Context.raw.ddirty = 2;
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}
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static orbitOpposite = () => {
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let cam = Scene.camera;
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let z = Math.abs(CameraObject.look(cam).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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static zoom = (f: f32) => {
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let cam = Scene.camera;
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Transform.move(cam.base.transform, CameraObject.look(cam), f);
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Context.raw.ddirty = 2;
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}
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static updateCameraType = (cameraType: i32) => {
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let cam = Scene.cameras[0];
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let light = Scene.lights[0];
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if (cameraType == CameraType.CameraPerspective) {
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cam.data.ortho = null;
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light.base.visible = true;
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}
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else {
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let f32a = new Float32Array(4);
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let f = cam.data.fov * Vec4.vec4_length(Mat4.getLoc(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 * (App.h() / App.w());
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f32a[3] = 2 * f * (App.h() / App.w());
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cam.data.ortho = f32a;
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light.base.visible = false;
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}
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CameraObject.buildProjection(cam);
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Context.raw.ddirty = 2;
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}
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}
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