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First attempt to correct U-turn arrows

This commit is contained in:
Thomas FORGIONE 2015-05-12 10:03:45 +02:00
parent 8822117b06
commit 2dccb1eede
2 changed files with 28 additions and 9 deletions
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4
controllers/prototype/views/prototype.jade
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@ -58,8 +58,10 @@ block content
input#collisions(type="checkbox", style={'margin-right': '10px', 'margin-bottom': '10px'}, checked)
label(for="collisions" style={'margin-right':'10px'}) Collisions
input#showarrows(type="checkbox", style={'margin-right': '10px', 'margin-bottom': '10px'}, checked)
label(for="showarrows" style={'margin-right':'10px'}) Show arrows
//- audio(controls, autoplay)
//- source(src="/static/data/music/bobomb.mp3")
#container(style={'padding': '0px', 'margin': '0px'}, tabindex="1")

33
static/js/prototype/ArrowCamera.js vendored
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@ -117,18 +117,35 @@ ArrowCamera.prototype.update = function(mainCamera) {
ArrowCamera.prototype.regenerateArrow = function(mainCamera) {
var vertices = new Array();
var t = [0,1];
// First point of curve
var f0 = mainCamera.position.clone();
f0.add(Tools.sum(Tools.mul(this.up,-1), Tools.diff(this.target, this.position).normalize()));
var f = [Tools.sum(mainCamera.position, Tools.diff(this.target, this.position)).normalize(), this.position.clone()];
var first = Tools.diff(mainCamera.target, mainCamera.position);
first.normalize();
// Last point of curve
var f1 = this.position.clone();
var fp = [Tools.mul(first,40), Tools.diff(this.target, this.position)];
fp[1].normalize();
fp[1].multiplyScalar(4);
var hermite = new Hermite.special.Polynom(f0, f[1], fp[1]);
// Last derivative of curve
var fp1 = Tools.diff(this.target, this.position);
fp1.normalize();
// Camera direction
var dir = Tools.diff(this.position, mainCamera.position);
dir.normalize();
if (fp1.dot(dir) < -0.5) {
// Regen polynom with better stuff
var new_dir = Tools.cross(Tools.diff(this.position, mainCamera.position).normalize(), mainCamera.up);
new_dir.multiplyScalar(new_dir.dot(fp1) < 0 ? 1 : -1);
new_dir.add(dir);
new_dir.add(dir);
new_dir.multiplyScalar(2);
f0.add(new_dir);
}
fp1.multiplyScalar(4);
var hermite = new Hermite.special.Polynom(f0, f1, fp1);
var up = this.up.clone();
var point;