Example 1: Construct a cylindrical shape, use the coordinates of the Transform node to translate the field value of the translation field, and create a
Translate the new coordinate system of 1.5 units in the Y direction to construct a cone shape, forming a combined shape similar to a chimney.
Shape{ appearance Appearance { #Appearance feature domain material Material { #Set material attribute diffuseColor 0 0 1 } } #Set diffuse reflection color geometry Cylinder { #Cylinder geometry radius 1 #Set cylinder radius to 2 height 2 }} #Set cylinder The height is 2 Transform{ #Coordinate transformation node translation 0 1.5 0 #Set the cone to translate upward 1.5 children [ #Child node Shape{ #Parent node, shape node appearance Appearance { material Material { diffuseColor 0 1 0 } }
geometry Cone { #Set the geometry of the cone
bottomRadius 2 #Set the radius of the bottom circle to 2
height 1 } }]} #Set the height of the cone to 1
The result of the operation is as follows:
Example 2 : Under the background of the three-dimensional space, a simple three-dimensional shape composed of coordinate system transformation nodes creates a golden dumbbell three-dimensional space object shape.
Background { skyColor [0.2 0.5 0.6]} #Set the color of sky coloring Shape{ appearance DEF ys Appearance{ #DEF named the node of Appearance as ys material Material { diffuseColor 0.3 0.2 0 #Set diffuse reflection color ambientIntensity 0.4 #Material surface contrast specularColor 0.7 0.7 0.6 #Material specular reflection light color shininess 0.2 #Material surface brightness } } geometry Cylinder { #Cylinder geometry radius 0.4 #Set the radius of the cylinder to 0.4 height 3.5 #Set the height of the cylinder to 3.5 bottom TRUE #Set Bottom closed
side TRUE }} #Set side closure
Transform{ #Sphere 1 coordinate transformation node
translation 0 2 0 #Sphere 1 moves up 2
children along the y axis [ #Byte point
DEF ball Shape { #DEF names the Shape node of sphere 1 as ball
appearance USE ys #USE refers to the Appearance attribute of DEF
geometry Sphere { #Sphere 1 geometric modeling
radius 1 }} ]} #The radius of sphere 1 is 1
Transform { #Sphere 2 coordinate transformation node
translation 0 -2 0 #Sphere 2 along y Move the axis down by 2
children [USE ball ]} #USE refers to the content of the Shape node in sphere 1 of DEF
The result of the operation is as follows:
Example 3: Make a simple red clock without minute and hour hands.
Transform{ #Coordinate transformation node
rotation 1 0 0 1.571 #Set the cylinder to rotate 90° along the x-axis
children [
Shape { appearance Appearance { #Appearance feature domain material Material { #Set material attribute diffuseColor 0.7 0.2 0.2 }} #Set diffuse reflection color geometry Cylinder { #Cylinder geometry radius 2.2 #Set the radius of the cylinder to 2.2 height 0.5 } }]} #Set the height of the cylinder to 0.5
The result of the operation is as follows:
Example 4: Silver cross stick shape
Shape { appearance Appearance { material Material { #Set material properties diffuseColor 0.5 0.5 0.7 ambientIntensity 0.4 specularColor 0.8 0.8 0.9 shininess 0.2 }} geometry Cylinder { #Cylinder 1 geometry height 5 #Set the height of cylinder 1 to 5 radius 0.2 }} #Set the radius of cylinder 1 to 0.2 Transform { rotation 0 0 1 1.571 #Set the cylinder to rotate 90 along the z axis children [ Shape { appearance Appearance {
material Material { #Set material properties
diffuseColor 0.5 0.5 0.7
ambientIntensity 0.4
shininess 0.2
specularColor 0.8 0.8 0.9 }} #Material specular reflection light color
geometry Cylinder { #Cylinder 2 geometric shape
height 5 #Set the height of cylinder 2 to 5
radius 0.2 } }]} #Set the radius of cylinder 2 to 0.2
The result of the operation is as follows:
Example 5: Simple clock shape, the clock display time is 3 o'clock.
Shape { appearance Appearance { material Material { #Set the material property diffuseColor 0.8 0.2 0.2 }} geometry Box { #Cube geometry size 4 4 0.2 }} #Cube size setting Transform { #The coordinate transformation node translation 0 of the sphere and 2 cylinders 0 0.12 #Move 0.12 along the positive direction of the z-axis children [ #Child node Shape { appearance Appearance { material Material { diffuseColor 0.5 0.3 0
ambientIntensity 0.4
specularColor 0.7 0.7 0.6
shininess 0.2 }}
geometry Sphere{ #Sphere geometry
radius 0.1} } #Set the radius of the sphere to 0.1
Transform { translation 0 0.8 0 #Cylinder 1 translates up 0.8 along the y-axis
children [ #child nodes
Shape { #parent node, shape node
appearance Appearance { material Material { diffuseColor 0.5 0.5 0.7 ambientIntensity 0.4
shininess 0.2
specularColor 0.8 0.8 0.9}}
geometry Cylinder { #Cylinder 1 geometry
height 1.5 #Set the height of cylinder 1 to 1.5
radius 0.05 }}]} #Set the radius of cylinder 1 to 0.05
Transform { translation 0.55 0 0 # Move 0.55 along the positive direction of the x-axis
rotation 0 0 -1 1.57 #Set cylinder 2 to rotate 90° clockwise along the z-axis
children [ #Child node
Shape { appearance Appearance { material Material {
diffuseColor 0.5 0.5 0.7
ambientIntensity 0.4
specularColor 0.8 0.8 0.9
shininess 0.2 }}
geometry Cylinder { #Cylinder 2 geometry
height 1.0 #Set the height of cylinder 2 to 1
radius 0.05}}]}]} #The radius of cylinder 2 is 0.05
The result of the operation is as follows:
Example 6: Two spheres, one transparent and scaled
Shape { appearance Appearance { material Material { diffuseColor 1 1 1 }} geometry Sphere { # Sphere 1 geometry radius 1.5}} #Set the radius of sphere 1 to 1.5 Transform { #Sphere 2 geometry scale 2 1.1 1.1 #Set the sphere 2 Scaling, x-axis scaling 2, y-axis and z-axis scaling 1.1 children [ #child node Shape { appearance Appearance { material Material { diffuseColor 1 0 0 transparency 0.4 }} geometry Sphere{ # sphere 2 geometry radius 1.5}}]} #Set the radius of sphere 2 to 1.5
operation result:
Example 7: Design a three-dimensional shape of a flying saucer, and use the Transform coordinate transformation node to scale it.
Background { #Set space background
skyColor [ 0.2 0.5 0.6]}
Transform { #Sphere 1 coordinate transformation node
scale 2.3 2.6 2.3 #Set the scaling of sphere 1, the x-axis and z-axis are both scaled to 2.3, and the y-axis is scaled to 2.6
children [ #children
Shape { appearance Appearance { material Material { diffuseColor 0.3 0.2 0.0 ambientIntensity 0.4 specularColor 0.7 0.7 0.6 shininess 0.2 }} geometry Sphere { # Sphere 1 geometry radius 1 }}]} #Set the radius of sphere 1 to 1
Transform { #Sphere 2 coordinate transformation node
translation 0 0 0 #The movement setting of sphere 2,
scale 4 1 4 #Set the scaling of sphere 2, the x-axis and z-axis are scaled by 4, and the y-axis is scaled by 1
children [
Shape { appearance Appearance { material Material{ diffuseColor 0.3 0.2 0.0 ambientIntensity 0.4 specularColor 0.7 0.7 0.6 shininess 0.2 }} geometry Sphere { # sphere 2 geometry radius 1 }}]} #Set the radius of sphere 2 to 1
The result of the operation is as follows:
Example 8: Construct an ellipse shape along the specified scaling direction.
Shape { appearance Appearance { material Material { diffuseColor 1 1 1 }} geometry Sphere { # Sphere 1 geometry radius 1.5}} #Set the radius of sphere 1 to 1.5 Transform { #Sphere 2 coordinate transformation node scaleOrientation 1 1 0 0.785 #Orientation scaling , scale 45° along the x and y axes scale 2 1.1 1.1 #Set the scaling of the sphere 2, the x axis scales 2, the y axis and the z axis both scale 1.1 children [ Shape { appearance Appearance { material Material { diffuseColor 1 0 0 transparency 0.4 }} geometry Sphere{ # sphere 2 geometric shape
radius 1.5}}]} #Set the radius of sphere 2 to 1.5
operation result:
Example 11: Use node definition and reference methods to build a complex clock shape.
Transform { #作为表盘
rotation 1 0 0 1.57 #沿x轴方向旋转90度
translation 0 0 -0.3 向-z轴方向移动0.3，使表盘向后一些，使表针显示出来
children [
Shape {
appearance Appearance {
material Material { #设置材质
diffuseColor 0.7 0.2 0.2 #设置漫反射颜色RGB值为 0.7 0.2 0.2
}
}
geometry Cylinder { #几何造型节点
radius 2.2 #设置半径为2.2.
height 0.5 #设置高度为0.5
}
}
]
}
Transform { #变换节点
children [ #子节点 #作为表盘中心圆点
Shape {
appearance Appearance {
material Material { #设置材质
diffuseColor 0.5 0.3 0 #设置漫反射颜色RGB值为0.5 0.3 0
ambientIntensity 0.4 #设置环境光强度为0.4
specularColor 0.7 0.7 0.6 #设置反射光RGB值为0.7 0.7 0.6
shininess 0.2 #设置表面亮度为0.2
}
}
geometry Sphere {
radius 0.1 #几何造型节点 设置为球体，半径为0.1
}
}
]
}
Transform { #变换节点
translation 0 0.85 0 #xiangy轴方向平移0.85个单位
children [ #子节点 作为分针
DEF S1 Shape { #造型节点，并设置别名为S1
appearance DEF A1 Appearance { #外观域节点，并设置别名为A1
material Material { #为A1设置材质
diffuseColor 0.5 0.5 0.7 #设置漫反射颜色RGB值为0.5 0.5 0.7
ambientIntensity 0.4 #设置环境光强度为0.4
specularColor 0.8 0.8 0.9 #设置反射光RGB值为0.7 0.7 0.6
shininess 0.2 #设置表面亮度为0.2
}
}
geometry Cylinder { #几何域节点，设置为柱体
radius 0.05 #底面半径为0.05
height 1.5 高度为1.5
}
}
]
}
Transform { #变换节点 时针
translation 0.6 0 0 #向x轴方向移动0.6个单位
rotation 0 0 -1 1.57 #沿z轴负方向旋转90度
scale 1 0.7 1 #缩放节点 在x、z轴方向无缩放，y方向上缩放0.7
children [USE S1] 子节点使用和分针一样的几何节点
}
DEF bkd1 Transform { #变换节点，并取别名为bkd1 设置为大刻度指针
translation 0 1.8 0 #在y轴方向上移动1.8
children [
Shape {
appearance USE A1 #外观域节点使用A1
geometry Box { #刻度尺寸
size 0.1 0.2 0.1 #长宽高为0.1 0.2 0.1
}
}
]
}
Transform { #变换节点
rotation 0 0 1 0.524 #在z轴方向旋转90度
children [
DEF bkd Transform { 变换节点，取别名bkd
translation 0 1.8 0 #在y轴方向移动1.8
children [
Shape {
appearance Appearance { 设置材质
material USE A1 #材质使用A1
}
geometry Box { #设置小刻度指针
size 0.05 0.2 0.1
}
}
]
}
Transform {#使变换节点，将剩下的10个指针，以此旋转变换得到
rotation 0 0 1 0.524 #每次旋转30度
children [
USE bkd #小刻度指针使用bkd节点
Transform {
rotation 0 0 1 0.524
children [
USE bkd1 #大刻度指针使用bkd1节点
Transform {
rotation 0 0 1 0.524
children [
USE bkd
Transform {
rotation 0 0 1 0.524
children [
USE bkd
Transform {
rotation 0 0 1 0.524
children [
USE bkd1
Transform {
rotation 0 0 1 0.524
children [
USE bkd
Transform {
rotation 0 0 1 0.524
children [
USE bkd
Transform {
rotation 0 0 1 0.524
children [
USE bkd1
Transform {
rotation 0 0 1 0.524
children [
USE bkd
Transform {
rotation 0 0 1 0.524
children [
USE bkd
]}]}]}]}]}]}]}]}]}]}]}operation result:
