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en:design_guide_rotate [2020/12/01 00:05]
JSCAD Editor 		en:design_guide_rotate [2022/04/16 04:23] (current)
rozek included "require" statements, corrected mistakes
Line 1: Line 1:
 ==== Rotate ==== ==== Rotate ====
  
-Shapes can be rotated by any given angle about the X, Y, and Z axis. The angles can be specified as either positive or negative values, in RADIANS.+Shapes can be rotated by any given angle about the X, Y, and Z axis. The ''angles'' can be specified as either positive or negative values, in RADIANS.
  
 //[[http://www.mathsisfun.com/geometry/rotation.html|Learn about rotation at MathIsFun.com]]// //[[http://www.mathsisfun.com/geometry/rotation.html|Learn about rotation at MathIsFun.com]]//
Line 9: Line 9:
  
 <code javascript> <code javascript>
-let myshape = cuboid({size: [5, 20, 5]}) +const { cuboid } = require('@jscad/modeling').primitives 
-let newshape = rotate([(PI * 2 / 4), (PI * 2 / 24), (PI * 2 / 12)], myshape)+const { rotate } = require('@jscad/modeling').transforms 
 + 
 +const myshape = cuboid({size: [5, 20, 5]}) 
 +const newshape = rotate([(Math.PI * 2 / 4), (Math.PI * 2 / 24), (Math.PI * 2 / 12)], myshape) 
 +</code> 
 + 
 +In addition, there are simple versions of the same function for rotating about a single axis. 
 + 
 +<code javascript> 
 +const { cuboid } = require('@jscad/modeling').primitives 
 +const { rotateX,rotateY,rotateZ } = require('@jscad/modeling').transforms 
 + 
 +const myshape = cuboid({size: [5, 20, 5]}) 
 +let newshape = rotateX((Math.PI * 2 / 4), myshape) 
 +newshape = rotateY((Math.PI * 2 / 24), newshape) 
 +newshape = rotateZ((Math.PI * 2 / 12), newshape) 
 +</code> 
 + 
 +There is a [[en:jscad_design_math|utility function]] to convert DEGREE to RADIAN values. 
 + 
 +<code javascript> 
 +const { cuboid } = require('@jscad/modeling').primitives 
 +const { rotateX,rotate } = require('@jscad/modeling').transforms 
 +const { degToRad } = require('@jscad/modeling').utils 
 + 
 +const myshape = cuboid({size: [5, 20, 5]}) 
 +const newshape = rotate([degToRad(90), degToRad(15), degToRad(30)], myshape) 
 +const newshape = rotateX(degToRad(90), myshape)
 </code> </code>
  
-//Note: There is a utility function to convert RADIAN to DEGREE values.//