本文整理汇总了TypeScript中THREE.Matrix4类的典型用法代码示例。如果您正苦于以下问题：TypeScript Matrix4类的具体用法？TypeScript Matrix4怎么用？TypeScript Matrix4使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了Matrix4类的10个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的TypeScript代码示例。
示例1: _transformPanVector
private _transformPanVector () {
if (!this.component) return
tmpPanMatrix.extractRotation(this.component.transform)
tmpPanMatrix.premultiply(this.viewer.rotationGroup.matrix)
tmpPanMatrix.getInverse(tmpPanMatrix)
tmpPanVector.applyMatrix4(tmpPanMatrix)
}示例2: getMatrix
getMatrix () {
const h = this.volume.header
const basisX = [
h.a,
0,
0
]
const basisY = [
h.b * Math.cos(Math.PI / 180.0 * h.gamma),
h.b * Math.sin(Math.PI / 180.0 * h.gamma),
0
]
const basisZ = [
h.c * Math.cos(Math.PI / 180.0 * h.beta),
h.c * (
Math.cos(Math.PI / 180.0 * h.alpha) -
Math.cos(Math.PI / 180.0 * h.gamma) *
Math.cos(Math.PI / 180.0 * h.beta)
) / Math.sin(Math.PI / 180.0 * h.gamma),
0
]
basisZ[ 2 ] = Math.sqrt(
h.c * h.c * Math.sin(Math.PI / 180.0 * h.beta) *
Math.sin(Math.PI / 180.0 * h.beta) - basisZ[ 1 ] * basisZ[ 1 ]
)
const basis = [ [], basisX, basisY, basisZ ]
const nxyz = [ 0, h.NA, h.NB, h.NC ]
const mapcrs = [ 0, 1, 2, 3 ]
const matrix = new Matrix4()
matrix.set(
basis[ mapcrs[1] ][0] / nxyz[ mapcrs[1] ],
basis[ mapcrs[2] ][0] / nxyz[ mapcrs[2] ],
basis[ mapcrs[3] ][0] / nxyz[ mapcrs[3] ],
0,
basis[ mapcrs[1] ][1] / nxyz[ mapcrs[1] ],
basis[ mapcrs[2] ][1] / nxyz[ mapcrs[2] ],
basis[ mapcrs[3] ][1] / nxyz[ mapcrs[3] ],
0,
basis[ mapcrs[1] ][2] / nxyz[ mapcrs[1] ],
basis[ mapcrs[2] ][2] / nxyz[ mapcrs[2] ],
basis[ mapcrs[3] ][2] / nxyz[ mapcrs[3] ],
0,
0, 0, 0, 1
)
matrix.multiply(new Matrix4().makeTranslation(
h.AMIN, h.BMIN, h.CMIN
))
return matrix
}示例3: setMatrix
/**
* set transformation matrix
* @param {Matrix4} matrix - 4x4 transformation matrix
* @return {undefined}
*/
setMatrix (matrix: Matrix4) {
this.matrix.copy(matrix)
const bb = this.boundingBox
const v = this.center // temporary re-purposing
const x = this.nx - 1
const y = this.ny - 1
const z = this.nz - 1
bb.makeEmpty()
bb.expandByPoint(v.set(x, y, z))
bb.expandByPoint(v.set(x, y, 0))
bb.expandByPoint(v.set(x, 0, z))
bb.expandByPoint(v.set(x, 0, 0))
bb.expandByPoint(v.set(0, y, z))
bb.expandByPoint(v.set(0, 0, z))
bb.expandByPoint(v.set(0, y, 0))
bb.expandByPoint(v.set(0, 0, 0))
bb.applyMatrix4(this.matrix)
bb.getCenter(this.center)
// make normal matrix
const me = this.matrix.elements
const r0 = new Vector3(me[0], me[1], me[2])
const r1 = new Vector3(me[4], me[5], me[6])
const r2 = new Vector3(me[8], me[9], me[10])
const cp = new Vector3()
// [ r0 ] [ r1 x r2 ]
// M3x3 = [ r1 ] N = [ r2 x r0 ]
// [ r2 ] [ r0 x r1 ]
const ne = this.normalMatrix.elements
cp.crossVectors(r1, r2)
ne[ 0 ] = cp.x
ne[ 1 ] = cp.y
ne[ 2 ] = cp.z
cp.crossVectors(r2, r0)
ne[ 3 ] = cp.x
ne[ 4 ] = cp.y
ne[ 5 ] = cp.z
cp.crossVectors(r0, r1)
ne[ 6 ] = cp.x
ne[ 7 ] = cp.y
ne[ 8 ] = cp.z
this.inverseMatrix.getInverse(this.matrix)
}示例4: pan
pan (x: number, y: number) {
this._setPanVector(x, y)
tmpPanMatrix.getInverse(this.viewer.rotationGroup.matrix)
tmpPanVector.applyMatrix4(tmpPanMatrix)
this.controls.translate(tmpPanVector)
}示例5: _getRt
private _getRt(node: Node): THREE.Matrix4 {
let axis: THREE.Vector3 = new THREE.Vector3(
node.apiNavImIm.rotation[0],
node.apiNavImIm.rotation[1],
node.apiNavImIm.rotation[2]);
let angle: number = axis.length();
axis.normalize();
let rt: THREE.Matrix4 = new THREE.Matrix4();
rt.makeRotationAxis(axis, angle);
rt.setPosition(new THREE.Vector3(
node.translation[0],
node.translation[1],
node.translation[2]));
return rt;
}示例6: getMatrix
getMatrix () {
const h = this.volume.header
const matrix = new Matrix4()
matrix.multiply(
new Matrix4().makeTranslation(
h.originX, h.originY, h.originZ
)
)
matrix.multiply(
new Matrix4().makeBasis(
h.basisZ, h.basisY, h.basisX
)
)
return matrix
}示例7: getMatrix
getMatrix () {
const h = this.volume.header
const matrix = new Matrix4()
matrix.multiply(
new Matrix4().makeRotationY(degToRad(90))
)
matrix.multiply(
new Matrix4().makeTranslation(
-h.zmin, h.ymin, h.xmin
)
)
matrix.multiply(
new Matrix4().makeScale(
-h.hz, h.hy, h.hx
)
)
return matrix
}示例8: rotate
rotate (x: number, y: number) {
const [ dx, dy ] = this._getRotateXY(x, y)
tmpRotateXMatrix.makeRotationX(dy)
tmpRotateYMatrix.makeRotationY(dx)
tmpRotateXMatrix.multiply(tmpRotateYMatrix)
this.controls.applyMatrix(tmpRotateXMatrix)
}示例9: updateMaterialUniforms
export function updateMaterialUniforms (group: Object3D, camera: Camera, renderer: WebGLRenderer, cDist: number, bRadius: number) {
const {width, height} = renderer.getSize()
const canvasHeight = height
const pixelRatio = renderer.getPixelRatio()
const ortho = camera.type === 'OrthographicCamera'
resolution.set(width, height)
projectionMatrixInverse.getInverse(camera.projectionMatrix)
projectionMatrixTranspose.copy(camera.projectionMatrix).transpose()
group.traverse(function (o: any) {
const m = o.material
if (!m) return
const u = m.uniforms
if (!u) return
if (m.clipNear) {
const nearFactor = (50 - m.clipNear) / 50
const nearClip = cDist - (bRadius * nearFactor)
u.clipNear.value = nearClip
}
if (u.canvasHeight) {
u.canvasHeight.value = canvasHeight
}
if (u.resolution) {
u.resolution.value.copy(resolution)
}
if (u.pixelRatio) {
u.pixelRatio.value = pixelRatio
}
if (u.projectionMatrixInverse) {
u.projectionMatrixInverse.value.copy(projectionMatrixInverse)
}
if (u.projectionMatrixTranspose) {
u.projectionMatrixTranspose.value.copy(projectionMatrixTranspose)
}
if (u.ortho) {
u.ortho.value = ortho
}
})
}示例10: updateCameraUniforms
export function updateCameraUniforms (group: Object3D, camera: Camera) {
projectionMatrixInverse.getInverse(camera.projectionMatrix)
projectionMatrixTranspose.copy(camera.projectionMatrix).transpose()
group.traverse(function (o: any) {
const m = o.material
if (!m) return
const u = m.uniforms
if (!u) return
if (u.projectionMatrixInverse) {
u.projectionMatrixInverse.value.copy(projectionMatrixInverse)
}
if (u.projectionMatrixTranspose) {
u.projectionMatrixTranspose.value.copy(projectionMatrixTranspose)
}
})
}