6H| A t R}>F > x t ÿÿ} ¦| 縆x †Éd ¤ 6 n& I1=0 :¡ incident angle x& R1=0 :¡ refracted angle ‚ P1=3.14159 Œ* X=256: Y=128 :¡ point of refraction – R7=100: R6=R7/1.5   ·: ¸ ª& Ø 0,127 ™ 511,127 ™ 511,128 ™ 0,128 ´& Š I=0 ™ 255 š 4 :¡ draw in normal ¾ § 256,I È ‹ I Ò+ ± 1,8: ƒ "medium 1": ± 1,9: ƒ "medium 2" Ü7 ’ 420: – "enter refractive index (medium 1 to 2)"I0; æ ± 1,1: ƒ [A63 32][A63 8]; ð" ƒ "refractive index "[F5.2 I0]; ú' „ I0>1 ‰ ƒ " Critical angle?": � 290 ÿ$ „ I0=1 ‰ ƒ " Same medium!": � 290 ' „ I0=0 ‰ ƒ " Don't be silly!": � 220  I2=Ò(1-I0*I0): ¡ cos c.a. ) I3=Õ(I0/I2)*180/P1: ¡ angle in degrees * ƒ " critical angle "[F7.2 I3]" degrees" "G I=Æ: ± 55,1: ƒ [I4 I]:’ 420: – "Enter incident angle (degrees)";I2$; , „ I2$="+" ‰ 160 ˆ � I1=Ï(I2$) 6 „ I1<0 ´ I1>90 ‰ 290 @ I1=I1*P1/180 J A=¼(R7*Ó(I1)): B=¼(R6*Ô(I1)) T Ø X-A,Y+B ™ X,Y ^ R2=Ó(I1)/I0 h" „ R2>1 ‰ Ø X,Y ™ X+A,Y+B: � 290 r4 R3=Ò(1-R2*R2): ¡ r2=sin(refract), r3=cos(refract) | A=¼(R7*R2): B=¼(R6*R3) † Ø X,Y ™ X+A,Y-B � � 290 š ‘ ¤ ± 1,16: ƒ [A63 32][A63 8];: • ÿÿ¿E2ÀÁ1AY€ÃÂfff}ÀP}VÂ)™™B¿4�FÀ™“�refmodel€0F_—~w+ ùyOíÑÉxõÍx‹:Ç=( 2ÇñG†ñãw-ãÂ*‹GæO~æÆA‘þ€Ôç