FilesExpand file tree

 master

/

unicornattack.js

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

197 lines (180 loc) · 6.98 KB

 master

/

unicornattack.js

Top

File metadata and controls

• Code
• Blame

197 lines (180 loc) · 6.98 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

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

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

var uniCanvas;

var uniContext;

var uniBuffer = new Array(6);

var uniAllDudes = new Array();

var uniNumberOfDudes = 200;

var keyPressed = false;

function unicornListener(){

uniCanvas = document.getElementById("unicornCanvas");

uniContext = uniCanvas.getContext("2d");

uniBuffer = [0,0,0,0,0,0,0,0,0,0];

//window.addEventListener("keypress", unikeyPress, false);

window.addEventListener("keydown", unikeyPress, false);

window.addEventListener("keyup", unikeyUp, false);

}

function unikeyUp(ev){

keyPressed = false;

}

function unikeyPress(ev){

// alert(ev.keyCode);

if (keyPressed == false){

var a = 65;

var b = 66;

var t = 84;

var c = 67;

var k = 75;

var up = 38;

var down = 40;

var left = 37;

var right = 39;

uniBuffer.unshift(ev.keyCode);

uniBuffer.pop();

keyPressed = true;

//console.log("key pressed"+ev.keyCode);

if(uniBuffer[0]==a

&& uniBuffer[1]==b

&& uniBuffer[2]==right

&& uniBuffer[3]==left

&& uniBuffer[4]==right

&& uniBuffer[5]==left

&& uniBuffer[6]==down

&& uniBuffer[7]==down

&& uniBuffer[8]==up

&& uniBuffer[9]==up){

// alert("ATTACK!");

uniContext.canvas.width = window.innerWidth;

uniContext.canvas.height = window.innerHeight;

uniAttack();

}

}

}

function uniAttack(){

// alert("uni attack!");

uniCanvas.style.visibility='visible';

// var tempThing = new uniCorn(100,200,0.1, "rgba(200,200,200,1)", 1);

// tempThing.draw();

uniAllDudes = uniMakeDudes(uniNumberOfDudes);

// temp = new uniCorn(100, 200, .1, "rgba(200, 200, 200, 0.5)", 1);

// alert("temp BLARG values = "+temp.pos_x);

//setInterval(uniDrawDudes,1000/30);

uniAnimate();

// uni1 = new uniCorn(100, 200, .10, "rgba(200, 10, 10, 0.5)", 1);

// alert("uni1 angle = "+uni1.currentRadians);

// uni1.draw();

//draw unicorns and rotate them

}

function uniMakeDudes(n){

var num = n;

var allThemShapes = [];

for (i=0; i<num; i++){

var x = Math.random()*uniCanvas.width-50; //between 0 and canvas width

var y = Math.random()*uniCanvas.height-50; //between 0 and canvas height

var omega = Math.random()*Math.PI/3-Math.PI/6; //between -Pi/6 and +Pi/6 degrees

var scale = (Math.random()*1.6+0.4); //between 1.6 and 0.4, for scaling size randomly

var red = Math.floor(Math.random()*255);

var green = Math.floor(Math.random()*255);

var blue = Math.floor(Math.random()*255);

var alpha = Math.random(); //between 0 and 1

// var tempDude = new uniCorn(100, 100, 0.1, "rgba(240, 240, 240, 0.5)", 1);

// alert("tempDude elements = "+tempDude.angularVelocity);

// tempDude = new uniCorn(200, 200, 1, "rgba(200,200,200,0.5)", 1);

tempDude = new uniCorn(x, y, omega, "rgba("+red+", "+green+", "+blue+", "+alpha+")", scale);

// alert("inside uniMakeDudes, size of uniAllDudes = "+uniAllDudes.length);

// alert("some elements of tempDude = "+tempDude.pos_x);

allThemShapes.push(tempDude);

// alert("some elements of the unicorns = "+uniAllDudes[0].pos_x);

}

return allThemShapes;

}

function uniDrawDudes(){

uniContext.clearRect(0, 0, uniCanvas.width, uniCanvas.height);

// alert("length of uniAllDudes = "+uniAllDudes.length);

// alert("value of an element of uniAllDudes = "+uniAllDudes[0].currentRadians);

for (j=0; j<uniAllDudes.length; j++){

uniAllDudes[j].draw();

// alert(uniAllDudes[j].pos_x + " " + uniAllDudes[j].pos_y);

}

}

function uniCorn(x, y, angular_speed, rgba, scale_factor){

//var uniCorn = function(x, y, angular_speed, rgba, scale_factor){

var pos_x = x;

var pos_y = y;

var currentRadians = 0.0;

var width = scale_factor;

var height = scale_factor;

var angularVelocity = angular_speed;

var color = rgba;

this.draw = function(){

currentRadians += angularVelocity;

uniContext.save();

uniContext.translate(pos_x, pos_y);

uniContext.scale(1/scale_factor, 1/scale_factor);

uniContext.translate(50, 50);

uniContext.rotate(currentRadians);

uniContext.translate(-50, -50);

uniContext.fillStyle = color;

var ctx = uniContext;

//uniContext.fillRect(0-width/2, 0-height/2, width, height);

ctx.beginPath();

ctx.moveTo(68.5,0);

ctx.bezierCurveTo(68.5,0,67,4.52,67,4.52);

ctx.bezierCurveTo(67,4.52,73,0.5,73,0.5);

ctx.bezierCurveTo(73.06,3.51,71.7,6.14,70,8.54);

ctx.bezierCurveTo(72.15,10.38,72.58,11.47,73.5,14.07);

ctx.bezierCurveTo(73.5,14.07,90.5,6.1,90.5,6.1);

ctx.bezierCurveTo(90.5,6.1,98,3.02,98,3.02);

ctx.bezierCurveTo(95.37,6.53,88.33,11,84.5,13.57);

ctx.bezierCurveTo(81.81,15.37,78.43,17.97,75.5,19.1);

ctx.bezierCurveTo(75.5,19.1,77.5,28.65,77.5,28.65);

ctx.bezierCurveTo(77.5,28.65,76,29.15,76,29.15);

ctx.bezierCurveTo(76,29.15,75,27.14,75,27.14);

ctx.bezierCurveTo(75,27.14,79.07,38.19,79.07,38.19);

ctx.bezierCurveTo(79.07,38.19,81.5,42.72,81.5,42.72);

ctx.bezierCurveTo(81.5,42.72,84,45.23,84,45.23);

ctx.bezierCurveTo(83.14,47.07,82.32,51.24,82.5,53.27);

ctx.bezierCurveTo(79,54.9,74.8,55.71,71.57,52.96);

ctx.bezierCurveTo(70.09,51.71,70.03,50.66,68.85,49.34);

ctx.bezierCurveTo(67.66,48.02,66.03,47.1,64.5,46.24);

ctx.bezierCurveTo(64.5,46.24,64.5,47.24,64.5,47.24);

ctx.bezierCurveTo(62.7,46.75,62.58,46.77,61.5,45.23);

ctx.bezierCurveTo(59.89,46.23,59.72,45.92,58,45.23);

ctx.bezierCurveTo(57.39,42.53,54,40.54,52,38.7);

ctx.bezierCurveTo(52,38.7,51,41.71,51,41.71);

ctx.bezierCurveTo(50.02,41.54,49.72,43.91,49.5,44.73);

ctx.bezierCurveTo(48.27,49.15,47.98,50.72,47.48,55.28);

ctx.bezierCurveTo(47.22,57.58,46.3,62.86,46.63,64.83);

ctx.bezierCurveTo(46.63,64.83,47.74,68.35,47.74,68.35);

ctx.bezierCurveTo(49.28,73.64,50.62,78.31,50.49,83.93);

ctx.bezierCurveTo(50.45,85.87,49.71,91.21,49.08,92.97);

ctx.bezierCurveTo(48.34,95.04,47.43,95.62,47,98);

ctx.bezierCurveTo(47,98,0,98,0,98);

ctx.bezierCurveTo(0,98,0,60.31,0,60.31);

ctx.bezierCurveTo(0,59.26,-0.06,57.76,0.3,56.79);

ctx.bezierCurveTo(1.01,54.84,6.59,49.77,7.5,45.73);

ctx.bezierCurveTo(14.72,43.59,18.11,33.8,21.18,27.64);

ctx.bezierCurveTo(23.02,23.95,26.5,19.65,29.5,16.82);

ctx.bezierCurveTo(32.58,13.91,38.17,8.97,42.5,8.66);

ctx.bezierCurveTo(42.5,8.66,45,8.66,45,8.66);

ctx.bezierCurveTo(45,8.66,55.39,6.65,55.39,6.65);

ctx.bezierCurveTo(56.36,6.35,56.03,6.33,56.5,6.03);

ctx.bezierCurveTo(61.84,7.32,64.6,4.06,67.5,0);

ctx.bezierCurveTo(67.5,0,68.5,0,68.5,0);

ctx.closePath();

ctx.fill();

uniContext.restore();

}

}

window.requestAnimationFrame = (function(){

return window.requestAnimationFrame ||

window.webkitRequestAnimationFrame ||

window.mozRequestAnimationFrame ||

window.oRequestAnimationFrame ||

window.msRequestAnimationFrame ||

function( callback, element){

window.setTimeout(callback, 1000/60);

};

}) ();

function uniAnimate(){

window.requestAnimationFrame(uniAnimate);

uniDrawDudes();

}