Cach Kham Pha Galaxy 3D Simulator - Tung Buoc
Galaxy 3D Simulator ve mot thien ha xoan tu toi 100.000 diem duoc render, ngay trong tab trinh duyet nay - khong can cai dat, khong can tai khoan. Huong dan nay bao gom tung dieu khien: xoay va zoom camera, chuyen sang toan man hinh, tao lai hinh xoan moi, va doc cac so lieu thuc te ve Dai Ngan Ha ben canh canh.
Buoc 1 - mo canh
Vao trang va cho no mot chut thoi gian trong lan truy cap dau tien. Dong co 3D duoc tai xuong mot lan va luu cache, nen cac lan truy cap sau se bat dau nhanh hon. Moi thu duoc render tren thiet bi cua ban - khong co gi duoc tai len va khong may chu nao ve bat cu thu gi. Tren desktop, hinh xoan duoc dung tu toi 100.000 diem; tren dien thoai dung 30.000 de vong xoay van muot. Dong trang thai bao cao so diem chinh xac dang duoc render. Neu trinh duyet cua ban khong chay duoc WebGL, trang se hien mot thong bao don gian thay vi mot hop den.
Buoc 2 - xoay, zoom, va chuyen sang toan man hinh
Keo bat cu dau tren canh de xoay thien ha; camera co do giam chan, nen chuyen dong cham lai nhe nhang thay vi dung dot ngot. Cuon banh xe chuot, hoac chum hai ngon tay tren man hinh cam ung, de zoom - zoom vao gan va dia se tach thanh cac diem rieng le quanh loi am nong ruc sang. Mot lan nhan vao nut toan man hinh se mo rong canh ra toan bo man hinh, va neu ban de yen vai giay, mot vong xoay tu dong cham se giu canh song dong tu no.
Buoc 3 - tao lai mot hinh xoan moi
Nhan nut Xoan moi de dung lai thien ha voi mot so canh khac - dao dong tu 3 den 5 canh - va mot kieu phan tan moi, nen khong co hai hinh xoan nao giong nhau. Hinh hoc cu duoc huy moi lan, giup bo nho do hoa khong bi ro ri trong cac phien lam viec dai. Mau sac la thu tuc chu khong phai anh chup: mot loi dam dac nong nhoa dan thanh cac canh xanh-trang, voi cac sao nong ran rac trong dia.
Buoc 4 - doc bang thong tin
Bang thong tin mang cac so lieu thuc te ve Dai Ngan Ha: hon 100 ty ngoi sao, mot dia rong khoang 100.000 nam anh sang, va mat troi nam cach trung tam khoang 26.000 nam anh sang tren mot quy dao khoang 230 trieu nam. Mot ghi chu trung thuc - hinh xoan tu than la nghe thuat tham so duoc chinh de trong dung, khong phai mo hinh hap dan hay ban do danh muc sao thuc te. Cac so lieu trong bang la so thuc; cac diem duoc render chi la vat dai dien.
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