armos.utils.gui.widgets.movinggraphxy source code

1 module armos.utils.gui.widgets.movinggraphxy;
2 
3 import armos.utils.gui.widgets.widget;
4 import armos.math.vector;
5 import armos.graphics.mesh;
6 
7 ///
8 class MovingGraphXY(T) : Widget{
9     public{
10         this(in string nameX, ref T varX, in T minX, in T maxX, in string nameY, ref T varY, in T minY, in T maxY){
11             _nameX = nameX;
12             _nameY = nameY;
13             _varX = &varX;
14             _varY = &varY;
15             _varMin = Vector!(T, 2)(minX, minY);
16             _varMax = Vector!(T, 2)(maxX, maxY);
17 
18             _height = 128+16;
19             _lines = new Mesh();
20             import armos.graphics.renderer:PrimitiveMode;
21             _lines.primitiveMode = PrimitiveMode.LineStrip;
22             foreach (int i, v; _buffer) {
23                 v = _varMin;
24                 _lines.addVertex(0, 0, 0);
25                 _lines.addIndex(i);
26             }
27 
28             import armos.events;
29             import armos.app;
30             import rx;
31 
32             currentObservables.update.doSubscribe!(event => this.update(event));
33         }
34 
35         override void update(ref armos.events.UpdateEvent arg){
36             for (int i = 0; i < _bufferSize -1; i++) {
37                 _buffer[i] = _buffer[i+1];
38             }
39             _buffer[$-1] = Vector!(T, 2)(*_varX, *_varY);
40         };
41 
42         override void draw(){
43             import armos.graphics.renderer:color,
44                                            drawRectangle;
45             color(_style.colors["background"]);
46             drawRectangle(0, 0, _style.width, _style.font.height*18);
47 
48             import std.format:format;
49             import std.conv;
50             string varStringX = "";
51             string varStringY = "";
52             static if(__traits(isIntegral, T)){
53                 varStringX = format("%d", *_varX).to!string;
54                 varStringY = format("%d", *_varY).to!string;
55             }else if(__traits(isFloating, T)){
56                 varStringX = format("%f", *_varX).to!string;
57                 varStringY = format("%f", *_varY).to!string;
58             }
59             _style.font.material.uniform("diffuse", _style.colors["font1"]);
60             _style.font.draw(_nameX ~ " : " ~ varStringX, _style.font.width, 0);
61             _style.font.draw(_nameY ~ " : " ~ varStringY, _style.font.width, _style.font.height);
62 
63             color(_style.colors["base1"]);
64             drawRectangle(_style.font.width, _style.font.height*2, _style.width - _style.font.width*2, _style.font.height*15);
65 
66             drawLine;
67         }
68     }//public
69 
70     private{
71         string _nameX;
72         string _nameY;
73         T* _varX;
74         T* _varY;
75         Vector!(T, 2) _varMin;
76         Vector!(T, 2) _varMax;
77         enum int _bufferSize = 30;
78         Vector!(T, 2)[_bufferSize] _buffer;
79         Mesh _lines;
80 
81         void drawLine(){
82             import std.conv;
83             import armos.graphics.renderer:color;
84             color(_style.colors["font1"]);
85             foreach (i, v; _buffer) {
86                 import armos.math:map;
87                 immutable x = map( v[0], _varMin[0], _varMax[0], _style.font.width.to!float, _style.width - _style.font.width);
88                 immutable y = map(  - v[1], _varMin[1], _varMax[1], _style.font.height.to!float*2, _style.font.height.to!float*17);
89                 _lines.vertices[i].x = x;
90                 _lines.vertices[i].y = y;
91                 // y = map.map( v, _varMin, _varMax, _style.font.width.to!float, _style.width.to!float - _style.font.width.to!float);
92             }
93             _lines.drawWireFrame;
94         }
95     }//private
96 }//class MovingGraph