Check-in [17fe78b11b]
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SHA1:17fe78b11be639451e6077c2217e7bbee4c1b863
Date: 2012-12-24 04:23:37
User: Derek
Comment:(no comment)
Timelines: family | ancestors | descendants | both | trunk
Other Links: files | file ages | folders | manifest
Tags And Properties
Context
2012-12-24
17:03
[d59b29f2f5] changed drawing of axes to provide more visual cues for perspective (user: Derek, tags: trunk)
04:23
[17fe78b11b] (no comment) (user: Derek, tags: trunk)
03:52
[7c222a4184] moved globals to beginning of draw.html added some null checking to matrix_vector_lib.js fixed small bugs (zooming in to much messes up axis draw) (user: Derek, tags: trunk)
Changes

Modified draw.html from [97f687849d] to [6762019ffe].

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var view_transform =
    [[1, 0, 0],
     [0, 1, 0],
     [0, 0, 1]];
    







            

var key_state = {};
var key_state_augmentation_timeout = 150; // the permissible time in milliseconds since the last key event to still allow the key state to augment instead of clearing.

function addKeyListener(keycode, func){
................................................................................
					if(selected_points[i] == highlight_object){
					   selected_points.splice(i, 1); // deselect point
					   alreadySelected = true; 
					   break; }}}
			else{
				selected_points.length = 0;}
				
			if(!alreadySelected) selected_points.push(highlight_object); }

		else if(!key_state[16] || !key_state[16].state)
			selected_points.length = 0; }
		
		
	else if(lasts && mouse_dragging ){  // drag actions
		







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var view_transform =
    [[1, 0, 0],
     [0, 1, 0],
     [0, 0, 1]];








            

var key_state = {};
var key_state_augmentation_timeout = 150; // the permissible time in milliseconds since the last key event to still allow the key state to augment instead of clearing.

function addKeyListener(keycode, func){
................................................................................
					if(selected_points[i] == highlight_object){
					   selected_points.splice(i, 1); // deselect point
					   alreadySelected = true; 
					   break; }}}
			else{
				selected_points.length = 0;}
				
			if(!alreadySelected && highlight_object < points.length) selected_points.push(highlight_object); }

		else if(!key_state[16] || !key_state[16].state)
			selected_points.length = 0; }
		
		
	else if(lasts && mouse_dragging ){  // drag actions
		

Modified matrix_vector_lib.js from [0be33777c1] to [461a3190dc].

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//
// equation at:
// http://inside.mines.edu/~gmurray/ArbitraryAxisRotation/ArbitraryAxisRotation.html
// creates a rotation matrix about the given vector.
//
function vector_rotation(vector, s){
	if(!vector) throw "vector argument to vector_rotation missing";
	if(!s) throw "angle argument to vector_rotation missing";
	
    var len = Math.sqrt(vector[0]*vector[0]
                        + vector[1]*vector[1]
                        + vector[2]*vector[2]);

    var u = vector[0]/len;
    var v = vector[1]/len;







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//
// equation at:
// http://inside.mines.edu/~gmurray/ArbitraryAxisRotation/ArbitraryAxisRotation.html
// creates a rotation matrix about the given vector.
//
function vector_rotation(vector, s){
	if(!vector) throw "vector argument to vector_rotation missing";
	if(s === null || s === undefined) throw "angle argument to vector_rotation missing";
	
    var len = Math.sqrt(vector[0]*vector[0]
                        + vector[1]*vector[1]
                        + vector[2]*vector[2]);

    var u = vector[0]/len;
    var v = vector[1]/len;