# Maths...Myths...etcs...

 02 February 2009 Polimeno renatopolimeno   portfolio Renato Polimeno Technical Artist Freelancer Sao Paulo, Brazil Maths...Myths...etcs... hey folks, just starting some studies in math......so here i go : 1. how to make a custom MAXscript to always build a "free form right triangle" ?? considering the facts/rules : - Pythagorean Theorem (a²+b² = c²) - has one angle equal to 90 degrees - all angles must be equal to 180° reference my first test below just contains the first idea of "free form style"........ script here : `````` rollout test "triangle Maker" ( group "Point 1" ( spinner sp1_x "pos X:" fieldwidth:60 offset:[0,0] range:[-60,60,0] type:#integer spinner sp1_y "pos Y:" fieldwidth:60 offset:[0,0] range:[-60,60,0] type:#integer ) group "Point 2" ( spinner sp2_x "pos X:" fieldwidth:60 offset:[0,0] range:[-60,60,0] type:#integer spinner sp2_y "pos Y:" fieldwidth:60 offset:[0,0] range:[-60,60,0] type:#integer ) group "Point 3" ( spinner sp3_y "pos Y:" fieldwidth:60 offset:[0,0] range:[-60,60,0] type:#integer ) group "settings" ( button doMyLine "Build" width:120 offset:[0,0] checkbutton showMe "Shy" width:120 offset:[0,0] highlightColor:green ) fn GlobalVar = ( global Pt1_xVal = sp1_x.value global Pt1_yVal = sp1_y.value global Pt2_xVal = sp2_x.value global Pt2_yVal = sp2_y.value global Pt3_yVal = sp3_y.value ) fn GlobalPos = ( global pos_Pt_1 = [(Pt1_xVal),(Pt1_yVal),0] global pos_Pt_2 = [(Pt2_xVal),(Pt2_yVal),0] global pos_Pt_3 = [0,(Pt3_yVal),0] ) on doMyLine pressed do ( try( theOldLine = getNodeByName "Triangle" exact:on igonreCase:on delete theOldLine )catch() GlobalVar() GlobalPos() theLine = splineshape name:"Triangle" steps:1 optimize:on adaptive:off wirecolor: red addNewSpline theLine Knot_1 = addKnot theLine 1 #corner #line pos_Pt_1 Knot_2 = addKnot theLine 1 #corner #line pos_Pt_2 Knot_3 = addKnot theLine 1 #corner #line pos_Pt_3 pT_1 = getKnotPoint theLine 1 1 pT_2 = getKnotPoint theLine 1 2 pT_3 = getKnotPoint theLine 1 3 Dist_1 = (distance pT_1 pT_2) Dist_2 = (distance pT_2 pT_3) Dist_3 = (distance pT_3 pT_1) -------------------------------------------------- pT_1 = getKnotPoint theLine 1 1 pT_2 = getKnotPoint theLine 1 2 pT_3 = getKnotPoint theLine 1 3 Dist_1 = (distance pT_1 pT_2) Dist_2 = (distance pT_2 pT_3) Dist_3 = (distance pT_3 pT_1) -- fn Rules_of_Triangles = () --------------------------------------------------- Close theLine 1 isClosed theLine 1 updateShape theLine theLine format " vert 1= %; dist 1= %; vert 2= %; dist 2= %; vert 3= %; dist 4= %; Line= %\n" pos_Pt_1 Dist_1 pos_Pt_2 Dist_2 pos_Pt_3 Dist_3 theLine ) on showMe changed theState do ( if TheState == on then ( showMe.text = "Show" GlobalVar() actionMan.executeAction 0 "40472" -- MAX Script: MAXScript Listener format " 1_x= %; 1_y= %; 2_x= %; 2_y= %; 3_y= %\n" Pt1_xVal Pt1_yVal Pt2_xVal Pt2_yVal Pt3_yVal format " vert 1= %; vert 2= %; vert 3= %; Line= %\n" pos_Pt_1 pos_Pt_2 pos_Pt_3 theLine ) else ( showMe.text = "Shy" clearListener () ) ) ) createdialog test `````` somenone can help me to understand the meaning of those rules and how to apply them to my little script ? other thing : how to auto-expose the index number of Knots ? eg. modPanel (spline subObject), vertex , display, checkbox Show Vertex numbers thanks in advance __________________ ◊ Website ◊ Twitter ◊ Facebook ◊ Google+ Last edited by Polimeno : 02 February 2009 at 06:24 AM. share quote
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