code/plane.js at master · halpdesk/code · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
const dimensions = 100;

plane = {
    dimensions: dimensions,
    coord: [],
    create: function()
    {
        var plane   = document.getElementById("plane");
        var height  = plane.clientHeight;
        var width   = plane.clientWidth;
        var pixelWidth  = Math.floor(width/this.dimensions);
        var pixelHeight = Math.floor(height/this.dimensions);

        for (i = 0; i < this.dimensions; i++) {
            this.coord[i] = [];
            for (j = 0; j < this.dimensions; j++) {

                // create coordinates
                this.coord[i][j] = undefined;

                // create divs
                var x = j+1, y = this.dimensions-i;
                var div = document.createElement("div");
                div.dataset.x = x;
                div.dataset.y = y;
                div.style.width = pixelWidth;
                div.style.height = pixelHeight;
                div.className = "pixel";
                plane.appendChild(div);
            }
        }
    },
    update: function()
    {
        for (i in this.coord) {
            for (j in this.coord) {
                if (this.coord[i][j] instanceof Pixel) {
                    var pixel = this.coord[i][j];
                    var div = document.querySelectorAll("div[data-x='"+ pixel.pos.x +"'][data-y='"+ pixel.pos.y +"']")[0];
                    div.style.background = pixel.color;
                }
            }
        }
    }
}


Pixel = function(data) {
    this.pos        = new Position(data.pos);
    this.color      = data.color;
    this.f          = data.f;
}
Position = function(data) {
    this.x      = data.x;
    this.y      = data.y;
}
pxlr = {
    pixels: [],
    addPixel: function(pixel)
    {
        if (!(pixel instanceof Pixel))
            throw new Error("not instance of pixel");

        if (!plane.coord.hasOwnProperty(pixel.pos.x) || !plane.coord[pixel.pos.x].hasOwnProperty(pixel.pos.y))
            throw new Error("coordinates outside plane");

        plane.coord[pixel.pos.x][pixel.pos.y] = pixel;
        var div = document.querySelectorAll("div[data-x='"+ pixel.pos.x +"'][data-y='"+ pixel.pos.y +"']")[0];
        div.style.background = pixel.color;
    },
    updatePixel: function(pixel, pos)
    {
        var newPixel = new Pixel({"pos": pos, "color": pixel.color, "f": pixel.f})
        this.addPixel(newPixel);
        this.removePixel(pixel);
        return newPixel;
    },
    removePixel: function(pixel)
    {
        var color = pixel.color;
        var i = 1;
        var div = document.querySelectorAll("div[data-x='"+ pixel.pos.x +"'][data-y='"+ pixel.pos.y +"']")[0];
        var interval = setInterval(function() {
            var opactiy = 1/(i*i);
            div.style.opacity = opactiy;
            i++;
            if (i > 2) {
                clearInterval(interval);
                //div.style.opacity = 1;
                //div.style.background = "none";
                //plane.coord[pixel.pos.x][pixel.pos.y] = undefined;
            }
        }, 100);
    },
    getNextPos: function(pixel)
    {
        if (!(pixel instanceof Pixel))
            throw new Error("not instance of pixel");

        var x = pixel.pos.x + 1;
        var y = pixel.f + pixel.pos.y;
        var pos = new Position({"x": x, "y": y});
        return pos;
    }
}

window.onload = function() {
    try
    {
        plane.create();
        var pixels = [
            //new Pixel({"pos": {"x":1, "y":30}, "color":"red", "f": -1}),
            new Pixel({"pos": {"x":1, "y":80}, "color":"hotpink", "f": -1}),
            new Pixel({"pos": {"x":1, "y":50}, "color":"darkkhaki", "f": 0}),
            new Pixel({"pos": {"x":1, "y":25}, "color":"blue", "f": 3})
        ];
        for (n = 0; n < pixels.length; n++) {
            pxlr.addPixel(pixels[n]);
        }

        var tick = 0;
        var interal = setInterval(function() {
            for (n = 0; n < pixels.length; n++) {
                pixels[n] = pxlr.updatePixel(pixels[n], pxlr.getNextPos(pixels[n]));
            }
            tick++;
            if (tick > 80)
                clearInterval(interal);
        }, 5);

    }
    catch (e)
    {
        console.log(e);
    }

}