NUMBER/mat1(12),mat2(12),mat3(12),mat4(12)% ^: k7 Q; x- y$ p# I6 h# S
NUMBER/gmat1(12),gmat2(12),mat(12)
3 t6 t4 ^0 A( k- ]0 JENTITY/ln1,b1,b2
1 K, ~; [" W$ ^3 rln1=LINE/0,0,0,0,1,0
$ D4 D7 Q1 M; {* {9 Fb1=SOLBLK/ORIGIN,0,0,0,SIZE,1,1,1. q. _/ \% b: L {) S
mat1=MATRIX/TRANSL,1,2,3 $$ 生成平移矩阵% k( t |! e2 K6 k
mat2=MATRIX/XYROT,45 $$ 生成旋转矩阵
/ j( u6 O/ P; V8 ~mat3=MATRIX/MIRROR,ln1 $$ 生成镜像矩阵
7 g2 c* X: F7 J) z8 K I2 tmat4=MATRIX/SCALE,2 $$ 生成缩放矩阵
1 z" ]/ U h& ^: Ngmat1=MATRIX/mat1,mat2 $$ 矩阵相乘, k7 P3 |9 c* S2 x3 A& A
gmat2=MATRIX/mat3,mat4 $$ 矩阵相乘
- `. Y* z' N+ [mat=MATRIX/gmat1,gmat2 $$ 矩阵相乘" }8 s5 Z- F- F m4 P: B' y
b2=TRANSF/mat,b1 $$ 将变换物体的矩阵加到物体上3 e# j; Z' A* b- p; J+ Z
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ENTITY/b1,b2,b3,b4,b5,b6,b7,b8,b94 M. a( E$ S, O9 o
b1=SOLBLK/ORIGIN,0,0,0,SIZE,2,2,2
/ |$ d! v* t' O8 P* k. n( lb2=SOLBLK/ORIGIN,1,1,1,SIZE,2,2,2
+ t) y; ]8 }6 X1 J' b7 v& @b3=SOLBLK/ORIGIN,2,2,2,SIZE,2,2,2: `+ z' Z- _7 |. b
b4=SOLBLK/ORIGIN,3,3,3,SIZE,2,2,2% h8 X& {8 I( o& h& B+ q, U
b5=SOLBLK/ORIGIN,4,4,4,SIZE,2,2,22 K k; C+ B, M
b6=SOLBLK/ORIGIN,5,5,5,SIZE,2,2,2! q4 v# N- q; E5 s0 i& l( u
b7=UNITE/b1,WITH,b2 $$ 实体相加
& F7 D4 k5 S$ Ub8=INTERS/b3,WITH,b4 $$ 实体相交
+ K& C6 K+ K) Yb9=SUBTRA/b5,WITH,b6 $$ 实体相减
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ENTITY/c1,c2,c3,c4,c5,c6; g4 F& x0 `6 u1 h9 F! v/ Y, E
c1=CIRCLE/CENTER,(POINT/0,0,0),RADIUS,1 $$ 过圆心和半径画圆+ {/ R9 ^# z+ Q. ~6 Z: u/ ^
c2=CIRCLE/CENTER,(POINT/0,0,0),TANTO,(LINE/2,0,0,2,2,0),START,0,END,90 $$ 过圆心与线相切起始角终止角# t9 v) V7 |- z! f p
c3=CIRCLE/CENTER,(POINT/0,0,0),(POINT/3,0,0) $$ 过圆心和点7 |" j" A8 {1 \5 W
c4=CIRCLE/(POINT/4,0,0),(POINT/0,4,0),(POINT/-4,0,0) $$ 过三点画圆 |