From bcf9b230be6d74c71567fd0771b31d47d8dd39c7 Mon Sep 17 00:00:00 2001
From: Brian Picciano <mediocregopher@gmail.com>
Date: Thu, 21 Jan 2021 17:22:53 -0700
Subject: build the blog with nix

---
 src/assets/viz/2/quil/middlewares/navigation_3d.js | 261 +++++++++++++++++++++
 1 file changed, 261 insertions(+)
 create mode 100644 src/assets/viz/2/quil/middlewares/navigation_3d.js

(limited to 'src/assets/viz/2/quil/middlewares/navigation_3d.js')

diff --git a/src/assets/viz/2/quil/middlewares/navigation_3d.js b/src/assets/viz/2/quil/middlewares/navigation_3d.js
new file mode 100644
index 0000000..d80d58a
--- /dev/null
+++ b/src/assets/viz/2/quil/middlewares/navigation_3d.js
@@ -0,0 +1,261 @@
+// Compiled by ClojureScript 1.10.439 {}
+goog.provide('quil.middlewares.navigation_3d');
+goog.require('cljs.core');
+goog.require('quil.core');
+quil.middlewares.navigation_3d.missing_navigation_key_error = ["state map is missing :navigation-3d key. ","Did you accidentally removed it from the state in ",":update or any other handler?"].join('');
+/**
+ * Asserts that state map contains :navigation-2d object.
+ */
+quil.middlewares.navigation_3d.assert_state_has_navigation = (function quil$middlewares$navigation_3d$assert_state_has_navigation(state){
+if(cljs.core.truth_(new cljs.core.Keyword(null,"navigation-3d","navigation-3d",682305301).cljs$core$IFn$_invoke$arity$1(state))){
+return null;
+} else {
+throw (new Error(quil.middlewares.navigation_3d.missing_navigation_key_error));
+}
+});
+/**
+ * Default position configuration. Check default configuration in
+ *   'camera' function.
+ */
+quil.middlewares.navigation_3d.default_position = (function quil$middlewares$navigation_3d$default_position(){
+return new cljs.core.PersistentArrayMap(null, 3, [new cljs.core.Keyword(null,"position","position",-2011731912),new cljs.core.PersistentVector(null, 3, 5, cljs.core.PersistentVector.EMPTY_NODE, [(quil.core.width.call(null) / 2.0),(quil.core.height.call(null) / 2.0),((quil.core.height.call(null) / 2.0) / quil.core.tan.call(null,((quil.core.PI * 60.0) / 360.0)))], null),new cljs.core.Keyword(null,"straight","straight",-1252567854),new cljs.core.PersistentVector(null, 3, 5, cljs.core.PersistentVector.EMPTY_NODE, [(0),(0),(-1)], null),new cljs.core.Keyword(null,"up","up",-269712113),new cljs.core.PersistentVector(null, 3, 5, cljs.core.PersistentVector.EMPTY_NODE, [(0),(1),(0)], null)], null);
+});
+/**
+ * Rotates vector v by angle with axis.
+ *   Formula is taken from wiki:
+ *   http://en.wikipedia.org/wiki/Rotation_matrix#Rotation_matrix_from_axis_and_angle
+ */
+quil.middlewares.navigation_3d.rotate_by_axis_and_angle = (function quil$middlewares$navigation_3d$rotate_by_axis_and_angle(v,axis,angle){
+var vec__1620 = axis;
+var a_x = cljs.core.nth.call(null,vec__1620,(0),null);
+var a_y = cljs.core.nth.call(null,vec__1620,(1),null);
+var a_z = cljs.core.nth.call(null,vec__1620,(2),null);
+var vec__1623 = v;
+var x = cljs.core.nth.call(null,vec__1623,(0),null);
+var y = cljs.core.nth.call(null,vec__1623,(1),null);
+var z = cljs.core.nth.call(null,vec__1623,(2),null);
+var cs = quil.core.cos.call(null,angle);
+var _cs = ((1) - cs);
+var sn = quil.core.sin.call(null,angle);
+var a = (cs + ((a_x * a_x) * _cs));
+var b = (((a_x * a_y) * _cs) - (a_z * sn));
+var c = (((a_x * a_z) * _cs) + (a_y * sn));
+var d = (((a_x * a_y) * _cs) + (a_z * sn));
+var e = (cs + ((a_y * a_y) * _cs));
+var f = (((a_y * a_z) * _cs) - (a_x * sn));
+var g = (((a_x * a_z) * _cs) - (a_y * sn));
+var h = (((a_y * a_z) * _cs) + (a_x * sn));
+var i = (cs + ((a_z * a_z) * _cs));
+return new cljs.core.PersistentVector(null, 3, 5, cljs.core.PersistentVector.EMPTY_NODE, [(((a * x) + (b * y)) + (c * z)),(((d * x) + (e * y)) + (f * z)),(((g * x) + (h * y)) + (i * z))], null);
+});
+/**
+ * Rotates nav-3d configuration left-right. angle positive - rotate right,
+ *   negative - left.
+ */
+quil.middlewares.navigation_3d.rotate_lr = (function quil$middlewares$navigation_3d$rotate_lr(nav_3d,angle){
+return cljs.core.update_in.call(null,nav_3d,new cljs.core.PersistentVector(null, 1, 5, cljs.core.PersistentVector.EMPTY_NODE, [new cljs.core.Keyword(null,"straight","straight",-1252567854)], null),quil.middlewares.navigation_3d.rotate_by_axis_and_angle,new cljs.core.Keyword(null,"up","up",-269712113).cljs$core$IFn$_invoke$arity$1(nav_3d),angle);
+});
+/**
+ * Vector cross-product: http://en.wikipedia.org/wiki/Cross_product
+ */
+quil.middlewares.navigation_3d.cross_product = (function quil$middlewares$navigation_3d$cross_product(p__1626,p__1627){
+var vec__1628 = p__1626;
+var u1 = cljs.core.nth.call(null,vec__1628,(0),null);
+var u2 = cljs.core.nth.call(null,vec__1628,(1),null);
+var u3 = cljs.core.nth.call(null,vec__1628,(2),null);
+var vec__1631 = p__1627;
+var v1 = cljs.core.nth.call(null,vec__1631,(0),null);
+var v2 = cljs.core.nth.call(null,vec__1631,(1),null);
+var v3 = cljs.core.nth.call(null,vec__1631,(2),null);
+return new cljs.core.PersistentVector(null, 3, 5, cljs.core.PersistentVector.EMPTY_NODE, [((u2 * v3) - (u3 * v2)),((u3 * v1) - (u1 * v3)),((u1 * v2) - (u2 * v1))], null);
+});
+/**
+ * Multiply vector v by scalar mult.
+ */
+quil.middlewares.navigation_3d.v_mult = (function quil$middlewares$navigation_3d$v_mult(v,mult){
+return cljs.core.mapv.call(null,(function (p1__1634_SHARP_){
+return (p1__1634_SHARP_ * mult);
+}),v);
+});
+/**
+ * Sum of 2 vectors.
+ */
+quil.middlewares.navigation_3d.v_plus = (function quil$middlewares$navigation_3d$v_plus(v1,v2){
+return cljs.core.mapv.call(null,cljs.core._PLUS_,v1,v2);
+});
+/**
+ * Returns vector opposite to vector v.
+ */
+quil.middlewares.navigation_3d.v_opposite = (function quil$middlewares$navigation_3d$v_opposite(v){
+return quil.middlewares.navigation_3d.v_mult.call(null,v,(-1));
+});
+/**
+ * Normalize vector, returning vector
+ *   which has same direction but with norm equals to 1.
+ */
+quil.middlewares.navigation_3d.v_normalize = (function quil$middlewares$navigation_3d$v_normalize(v){
+var norm = quil.core.sqrt.call(null,cljs.core.apply.call(null,cljs.core._PLUS_,cljs.core.map.call(null,quil.core.sq,v)));
+return quil.middlewares.navigation_3d.v_mult.call(null,v,((1) / norm));
+});
+/**
+ * Rotates nav-3d configuration up-down.
+ */
+quil.middlewares.navigation_3d.rotate_ud = (function quil$middlewares$navigation_3d$rotate_ud(nav_3d,angle){
+var axis = quil.middlewares.navigation_3d.cross_product.call(null,new cljs.core.Keyword(null,"straight","straight",-1252567854).cljs$core$IFn$_invoke$arity$1(nav_3d),new cljs.core.Keyword(null,"up","up",-269712113).cljs$core$IFn$_invoke$arity$1(nav_3d));
+var rotate = ((function (axis){
+return (function (p1__1635_SHARP_){
+return quil.middlewares.navigation_3d.rotate_by_axis_and_angle.call(null,p1__1635_SHARP_,axis,angle);
+});})(axis))
+;
+return cljs.core.update_in.call(null,cljs.core.update_in.call(null,nav_3d,new cljs.core.PersistentVector(null, 1, 5, cljs.core.PersistentVector.EMPTY_NODE, [new cljs.core.Keyword(null,"straight","straight",-1252567854)], null),rotate),new cljs.core.PersistentVector(null, 1, 5, cljs.core.PersistentVector.EMPTY_NODE, [new cljs.core.Keyword(null,"up","up",-269712113)], null),rotate);
+});
+/**
+ * Mouse handler function which rotates nav-3d configuration.
+ *   It uses mouse from event object and pixels-in-360 to calculate
+ *   angles to rotate.
+ */
+quil.middlewares.navigation_3d.rotate = (function quil$middlewares$navigation_3d$rotate(state,event,pixels_in_360){
+quil.middlewares.navigation_3d.assert_state_has_navigation.call(null,state);
+
+if(cljs.core._EQ_.call(null,(0),new cljs.core.Keyword(null,"p-x","p-x",-1721211211).cljs$core$IFn$_invoke$arity$1(event),new cljs.core.Keyword(null,"p-y","p-y",-530704830).cljs$core$IFn$_invoke$arity$1(event))){
+return state;
+} else {
+var dx = (new cljs.core.Keyword(null,"p-x","p-x",-1721211211).cljs$core$IFn$_invoke$arity$1(event) - new cljs.core.Keyword(null,"x","x",2099068185).cljs$core$IFn$_invoke$arity$1(event));
+var dy = (new cljs.core.Keyword(null,"y","y",-1757859776).cljs$core$IFn$_invoke$arity$1(event) - new cljs.core.Keyword(null,"p-y","p-y",-530704830).cljs$core$IFn$_invoke$arity$1(event));
+var angle_lr = quil.core.map_range.call(null,dx,(0),pixels_in_360,(0),quil.core.TWO_PI);
+var angle_ud = quil.core.map_range.call(null,dy,(0),pixels_in_360,(0),quil.core.TWO_PI);
+return cljs.core.update_in.call(null,state,new cljs.core.PersistentVector(null, 1, 5, cljs.core.PersistentVector.EMPTY_NODE, [new cljs.core.Keyword(null,"navigation-3d","navigation-3d",682305301)], null),((function (dx,dy,angle_lr,angle_ud){
+return (function (p1__1636_SHARP_){
+return quil.middlewares.navigation_3d.rotate_ud.call(null,quil.middlewares.navigation_3d.rotate_lr.call(null,p1__1636_SHARP_,angle_lr),angle_ud);
+});})(dx,dy,angle_lr,angle_ud))
+);
+}
+});
+quil.middlewares.navigation_3d.space = cljs.core.keyword.call(null," ");
+/**
+ * Keyboard handler function which moves nav-3d configuration.
+ *   It uses keyboard key from event object to determing in which
+ *   direction to move.
+ */
+quil.middlewares.navigation_3d.move = (function quil$middlewares$navigation_3d$move(state,event,step_size){
+quil.middlewares.navigation_3d.assert_state_has_navigation.call(null,state);
+
+var map__1638 = new cljs.core.Keyword(null,"navigation-3d","navigation-3d",682305301).cljs$core$IFn$_invoke$arity$1(state);
+var map__1638__$1 = (((((!((map__1638 == null))))?(((((map__1638.cljs$lang$protocol_mask$partition0$ & (64))) || ((cljs.core.PROTOCOL_SENTINEL === map__1638.cljs$core$ISeq$))))?true:false):false))?cljs.core.apply.call(null,cljs.core.hash_map,map__1638):map__1638);
+var up = cljs.core.get.call(null,map__1638__$1,new cljs.core.Keyword(null,"up","up",-269712113));
+var straight = cljs.core.get.call(null,map__1638__$1,new cljs.core.Keyword(null,"straight","straight",-1252567854));
+var temp__4655__auto__ = (function (){var pred__1640 = cljs.core._EQ_;
+var expr__1641 = new cljs.core.Keyword(null,"key","key",-1516042587).cljs$core$IFn$_invoke$arity$1(event);
+if(cljs.core.truth_(pred__1640.call(null,new cljs.core.Keyword(null,"w","w",354169001),expr__1641))){
+return straight;
+} else {
+if(cljs.core.truth_(pred__1640.call(null,new cljs.core.Keyword(null,"s","s",1705939918),expr__1641))){
+return quil.middlewares.navigation_3d.v_opposite.call(null,straight);
+} else {
+if(cljs.core.truth_(pred__1640.call(null,quil.middlewares.navigation_3d.space,expr__1641))){
+return quil.middlewares.navigation_3d.v_opposite.call(null,up);
+} else {
+if(cljs.core.truth_(pred__1640.call(null,new cljs.core.Keyword(null,"z","z",-789527183),expr__1641))){
+return up;
+} else {
+if(cljs.core.truth_(pred__1640.call(null,new cljs.core.Keyword(null,"d","d",1972142424),expr__1641))){
+return quil.middlewares.navigation_3d.cross_product.call(null,straight,up);
+} else {
+if(cljs.core.truth_(pred__1640.call(null,new cljs.core.Keyword(null,"a","a",-2123407586),expr__1641))){
+return quil.middlewares.navigation_3d.cross_product.call(null,up,straight);
+} else {
+return null;
+}
+}
+}
+}
+}
+}
+})();
+if(cljs.core.truth_(temp__4655__auto__)){
+var dir = temp__4655__auto__;
+return cljs.core.update_in.call(null,state,new cljs.core.PersistentVector(null, 2, 5, cljs.core.PersistentVector.EMPTY_NODE, [new cljs.core.Keyword(null,"navigation-3d","navigation-3d",682305301),new cljs.core.Keyword(null,"position","position",-2011731912)], null),((function (dir,temp__4655__auto__,map__1638,map__1638__$1,up,straight){
+return (function (p1__1637_SHARP_){
+return quil.middlewares.navigation_3d.v_plus.call(null,p1__1637_SHARP_,quil.middlewares.navigation_3d.v_mult.call(null,dir,step_size));
+});})(dir,temp__4655__auto__,map__1638,map__1638__$1,up,straight))
+);
+} else {
+return state;
+}
+});
+/**
+ * Custom 'setup' function which creates initial position
+ *   configuration and puts it to the state map.
+ */
+quil.middlewares.navigation_3d.setup_3d_nav = (function quil$middlewares$navigation_3d$setup_3d_nav(user_setup,user_settings){
+var initial_state = cljs.core.update_in.call(null,cljs.core.update_in.call(null,cljs.core.merge.call(null,quil.middlewares.navigation_3d.default_position.call(null),cljs.core.select_keys.call(null,user_settings,new cljs.core.PersistentVector(null, 3, 5, cljs.core.PersistentVector.EMPTY_NODE, [new cljs.core.Keyword(null,"straight","straight",-1252567854),new cljs.core.Keyword(null,"up","up",-269712113),new cljs.core.Keyword(null,"position","position",-2011731912)], null))),new cljs.core.PersistentVector(null, 1, 5, cljs.core.PersistentVector.EMPTY_NODE, [new cljs.core.Keyword(null,"straight","straight",-1252567854)], null),quil.middlewares.navigation_3d.v_normalize),new cljs.core.PersistentVector(null, 1, 5, cljs.core.PersistentVector.EMPTY_NODE, [new cljs.core.Keyword(null,"up","up",-269712113)], null),quil.middlewares.navigation_3d.v_normalize);
+return cljs.core.update_in.call(null,user_setup.call(null),new cljs.core.PersistentVector(null, 1, 5, cljs.core.PersistentVector.EMPTY_NODE, [new cljs.core.Keyword(null,"navigation-3d","navigation-3d",682305301)], null),((function (initial_state){
+return (function (p1__1643_SHARP_){
+return cljs.core.merge.call(null,initial_state,p1__1643_SHARP_);
+});})(initial_state))
+);
+});
+/**
+ * Enables navigation in 3D space. Similar to how it is done in
+ *   shooters: WASD navigation, space is go up, z is go down,
+ *   drag mouse to look around.
+ */
+quil.middlewares.navigation_3d.navigation_3d = (function quil$middlewares$navigation_3d$navigation_3d(options){
+var user_settings = new cljs.core.Keyword(null,"navigation-3d","navigation-3d",682305301).cljs$core$IFn$_invoke$arity$1(options);
+var pixels_in_360 = new cljs.core.Keyword(null,"pixels-in-360","pixels-in-360",1789567298).cljs$core$IFn$_invoke$arity$2(user_settings,(1000));
+var step_size = new cljs.core.Keyword(null,"step-size","step-size",1545609922).cljs$core$IFn$_invoke$arity$2(user_settings,(20));
+var rotate_on = new cljs.core.Keyword(null,"rotate-on","rotate-on",-1282225937).cljs$core$IFn$_invoke$arity$2(user_settings,new cljs.core.Keyword(null,"mouse-dragged","mouse-dragged",-1220073441));
+var draw = new cljs.core.Keyword(null,"draw","draw",1358331674).cljs$core$IFn$_invoke$arity$2(options,((function (user_settings,pixels_in_360,step_size,rotate_on){
+return (function (state){
+return null;
+});})(user_settings,pixels_in_360,step_size,rotate_on))
+);
+var key_pressed = new cljs.core.Keyword(null,"key-pressed","key-pressed",-757100364).cljs$core$IFn$_invoke$arity$2(options,((function (user_settings,pixels_in_360,step_size,rotate_on,draw){
+return (function (state,_){
+return state;
+});})(user_settings,pixels_in_360,step_size,rotate_on,draw))
+);
+var rotate_on_fn = rotate_on.call(null,options,((function (user_settings,pixels_in_360,step_size,rotate_on,draw,key_pressed){
+return (function (state,_){
+return state;
+});})(user_settings,pixels_in_360,step_size,rotate_on,draw,key_pressed))
+);
+var setup = new cljs.core.Keyword(null,"setup","setup",1987730512).cljs$core$IFn$_invoke$arity$2(options,((function (user_settings,pixels_in_360,step_size,rotate_on,draw,key_pressed,rotate_on_fn){
+return (function (){
+return cljs.core.PersistentArrayMap.EMPTY;
+});})(user_settings,pixels_in_360,step_size,rotate_on,draw,key_pressed,rotate_on_fn))
+);
+return cljs.core.assoc.call(null,options,new cljs.core.Keyword(null,"setup","setup",1987730512),cljs.core.partial.call(null,quil.middlewares.navigation_3d.setup_3d_nav,setup,user_settings),new cljs.core.Keyword(null,"draw","draw",1358331674),((function (user_settings,pixels_in_360,step_size,rotate_on,draw,key_pressed,rotate_on_fn,setup){
+return (function (state){
+quil.middlewares.navigation_3d.assert_state_has_navigation.call(null,state);
+
+var map__1644_1655 = new cljs.core.Keyword(null,"navigation-3d","navigation-3d",682305301).cljs$core$IFn$_invoke$arity$1(state);
+var map__1644_1656__$1 = (((((!((map__1644_1655 == null))))?(((((map__1644_1655.cljs$lang$protocol_mask$partition0$ & (64))) || ((cljs.core.PROTOCOL_SENTINEL === map__1644_1655.cljs$core$ISeq$))))?true:false):false))?cljs.core.apply.call(null,cljs.core.hash_map,map__1644_1655):map__1644_1655);
+var vec__1645_1657 = cljs.core.get.call(null,map__1644_1656__$1,new cljs.core.Keyword(null,"straight","straight",-1252567854));
+var c_x_1658 = cljs.core.nth.call(null,vec__1645_1657,(0),null);
+var c_y_1659 = cljs.core.nth.call(null,vec__1645_1657,(1),null);
+var c_z_1660 = cljs.core.nth.call(null,vec__1645_1657,(2),null);
+var vec__1648_1661 = cljs.core.get.call(null,map__1644_1656__$1,new cljs.core.Keyword(null,"up","up",-269712113));
+var u_x_1662 = cljs.core.nth.call(null,vec__1648_1661,(0),null);
+var u_y_1663 = cljs.core.nth.call(null,vec__1648_1661,(1),null);
+var u_z_1664 = cljs.core.nth.call(null,vec__1648_1661,(2),null);
+var vec__1651_1665 = cljs.core.get.call(null,map__1644_1656__$1,new cljs.core.Keyword(null,"position","position",-2011731912));
+var p_x_1666 = cljs.core.nth.call(null,vec__1651_1665,(0),null);
+var p_y_1667 = cljs.core.nth.call(null,vec__1651_1665,(1),null);
+var p_z_1668 = cljs.core.nth.call(null,vec__1651_1665,(2),null);
+quil.core.camera.call(null,p_x_1666,p_y_1667,p_z_1668,(p_x_1666 + c_x_1658),(p_y_1667 + c_y_1659),(p_z_1668 + c_z_1660),u_x_1662,u_y_1663,u_z_1664);
+
+return draw.call(null,state);
+});})(user_settings,pixels_in_360,step_size,rotate_on,draw,key_pressed,rotate_on_fn,setup))
+,new cljs.core.Keyword(null,"key-pressed","key-pressed",-757100364),((function (user_settings,pixels_in_360,step_size,rotate_on,draw,key_pressed,rotate_on_fn,setup){
+return (function (state,event){
+return key_pressed.call(null,quil.middlewares.navigation_3d.move.call(null,state,event,step_size),event);
+});})(user_settings,pixels_in_360,step_size,rotate_on,draw,key_pressed,rotate_on_fn,setup))
+,rotate_on,((function (user_settings,pixels_in_360,step_size,rotate_on,draw,key_pressed,rotate_on_fn,setup){
+return (function (state,event){
+return rotate_on_fn.call(null,quil.middlewares.navigation_3d.rotate.call(null,state,event,pixels_in_360),event);
+});})(user_settings,pixels_in_360,step_size,rotate_on,draw,key_pressed,rotate_on_fn,setup))
+);
+});
+
+//# sourceMappingURL=navigation_3d.js.map
-- 
cgit v1.2.3