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o3d - update camera

This commit is contained in:
dntzhang 2019-07-03 09:20:48 +08:00
parent dd836fcac7
commit 1fab80a13b
4 changed files with 39 additions and 27 deletions
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32
packages/o3d/examples/simple/b.js
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@ -2570,20 +2570,23 @@
this._createProp('x', option.x, this._update);
this._createProp('y', option.y, this._update);
this._createProp('z', option.z, this._update);
//target x y z
this._createProp('tx', option.tx, this._update);
this._createProp('ty', option.ty, this._update);
this._createProp('tz', option.tz, this._update);
//(vertical field of view(FOV))
this.fov = option.fov || 75;
this.ratio = option.ratio || 1920 / 1080;
this.front = option.front || 1;
this.back = option.back || 10000;
this.target = [0, 0, 0];
this._update();
}
Camera.prototype._update = function _update() {
//http://webglfactory.blogspot.com/2011/06/how-to-create-view-matrix.html
//http://4.bp.blogspot.com/_ltmZpULxXtI/TSn3hwEQuZI/AAAAAAAAAes/H93UF8OT1sE/s1600/gimballock_camera.png
this.v_matrix = Matrix4.lookAt([], [this.x, this.y, this.z], this.target, [0, 1, 0]);
this.v_matrix = Matrix4.lookAt([], [this.x, this.y, this.z], [this.tx, this.ty, this.tz], [0, 1, 0]);
this.p_matrix = Matrix4.getProjection(this.fov, this.ratio, this.front, this.back);
this.un_p_matrix = new Matrix4().getInverse(this.p_matrix);
this.un_v_matrix = new Matrix4().getInverse(this.v_matrix);
@ -2625,18 +2628,21 @@
return Camera;
}();
var camera = new Camera({
x: 0,
y: 0,
z: 1000,
tx: 0,
ty: 0,
tz: 0,
fov: 60,
ratio: 600 / 600,
front: 1,
back: 1000
});
var stage = new Stage({
camera: new Camera({
x: 0,
y: 0,
z: 1000,
rotateX: 0,
rotateY: 0,
fov: 60,
ratio: 600 / 600,
front: 1,
back: 1000
}),
camera: camera,
renderTo: '#root',
width: 600,
height: 400,

2
packages/o3d/examples/simple/b.js.map
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File diff suppressed because one or more lines are too long

25
packages/o3d/examples/simple/main.js
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@ -1,17 +1,20 @@
import { Vector3, Stage, Cube, Camera } from '../../src/o3d'
const camera = new Camera({
x: 0,
y: 0,
z: 1000,
tx: 0,
ty: 0,
tz: 0,
fov: 60,
ratio: 600 / 600,
front: 1,
back: 1000
})
const stage = new Stage({
camera: new Camera({
x: 0,
y: 0,
z: 1000,
rotateX: 0,
rotateY: 0,
fov: 60,
ratio: 600 / 600,
front: 1,
back: 1000
}),
camera: camera,
renderTo: '#root',
width: 600,
height: 400,

7
packages/o3d/src/camera.js
View File

@ -8,20 +8,23 @@ class Camera {
this._createProp('x', option.x, this._update)
this._createProp('y', option.y, this._update)
this._createProp('z', option.z, this._update)
//target x y z
this._createProp('tx', option.tx, this._update)
this._createProp('ty', option.ty, this._update)
this._createProp('tz', option.tz, this._update)
//(vertical field of view(FOV))
this.fov = option.fov || 75
this.ratio = option.ratio || 1920 / 1080
this.front = option.front || 1
this.back = option.back || 10000
this.target = [0, 0, 0]
this._update()
}
_update() {
//http://webglfactory.blogspot.com/2011/06/how-to-create-view-matrix.html
//http://4.bp.blogspot.com/_ltmZpULxXtI/TSn3hwEQuZI/AAAAAAAAAes/H93UF8OT1sE/s1600/gimballock_camera.png
this.v_matrix = Matrix4.lookAt([], [this.x, this.y, this.z], this.target, [
this.v_matrix = Matrix4.lookAt([], [this.x, this.y, this.z], [this.tx, this.ty, this.tz], [
0,
1,
0