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index.html
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index.html
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<html>
<body onload="canvas.setup()">
<canvas id="canvasArea1" style="position: absolute; left: 0; top: 0; z-index: 0; width:100%;height:100%"></canvas>
<canvas id="canvasArea2"
style="visibility: hidden; position: absolute; left: 0; top: 0; z-index: 0; width:100%;height:100%"></canvas>
<script src="./canvas.js"></script>
</body>
</html>
<script>
var striker_x ;
var striker_y ;
var coin_x ;
var coin_y ;
var p ;
var q ;
var x1 ;
var y1 ;
var x2 ;
var y2 ;
var m_striker ;
var m_coin ;
var d ;
var e ;
var a ;
var b ;
// Declare all global variables here
function setup()
{
striker_x = canvas.width*0.50
striker_y = canvas.height*0.82
coin_x = canvas.width*0.50
coin_y = canvas.height*0.50
m_coin = 1
m_striker = 2
p = 0 ;
q = 0 ;
a = 0 ;
b = 0 ;
e = 0.5 ;
// Initialize variables here
}
function striker_draw()
{
canvas.setColor("rgb(255,99,71)")
canvas.drawCircle(striker_x, striker_y, canvas.height*0.04)
canvas.setColor("rgb(0,0,0)")
canvas.drawCircle(striker_x, striker_y, canvas.height*0.03)
}
function coins_draw()
{
canvas.setColor("rgb(255,248,220)")
canvas.drawCircle(coin_x, coin_y, canvas.height*0.03)
}
function update_striker()
{
striker_x = striker_x - p ;
striker_y = striker_y - q ;
if(striker_x - canvas.height*0.03 >= canvas.width*0.1 && striker_x -canvas.height*0.03 - p <= canvas.width*0.1)
{
p = -0.6*p ;
}
else if(striker_x + canvas.height*0.03 <= canvas.width*0.9 && striker_x + canvas.height*0.03 -p >= canvas.width*0.9)
{
p = -0.6*p ;
}
else if(striker_y + canvas.height*0.03<= canvas.height*0.9 && striker_y + canvas.height*0.03 - q >= canvas.height*0.9)
{
q =- 0.6*q ;
}
else if(striker_y - canvas.height*0.03 >= canvas.height*0.1 && striker_y -canvas.height*0.03 - q <= canvas.height*0.1)
{
q = -0.6*q ;
}
}
function move_coin()
{
coin_x = coin_x - a ;
coin_y = coin_y - b ;
if(coin_x - canvas.height*0.04 >= canvas.width*0.1 && coin_x -canvas.height*0.04 - a <= canvas.width*0.1)
{
a = -0.6*a ;
}
else if(coin_x + canvas.height*0.04 <= canvas.width*0.9 && coin_x + canvas.height*0.04 -a >= canvas.width*0.9)
{
a = -0.6*a ;
}
else if(coin_y + canvas.height*0.04 <= canvas.height*0.9 && coin_y + canvas.height*0.04 - b >= canvas.height*0.9)
{
b =- 0.6*b ;
}
else if(coin_y - canvas.height*0.04 >= canvas.height*0.1 && coin_y - canvas.height*0.04 - b <= canvas.height*0.1)
{
b = -0.6*b ;
}
}
function striker_reset()
{
striker_x = canvas.width*0.50 ;
striker_y = canvas.height*0.82 ;
p = 0 ;
q = 0 ;
}
function striker_inside_pocket()
{
if (((striker_x -canvas.width*0.15)*(striker_x -canvas.width*0.15) + (striker_y - canvas.height*0.15)*(striker_y - canvas.height*0.15 ) + 10 <= (canvas.height*0.05- canvas.height*0.04)*(canvas.height*0.05- canvas.height*0.04) || (striker_x - canvas.width*0.85)*(striker_x -canvas.width*0.85) + (striker_y - canvas.height*0.15)*(striker_y - canvas.height*0.15 ) + 10<= (canvas.height*0.05- canvas.height*0.04)*(canvas.height*0.05- canvas.height*0.04) || (striker_x -canvas.width*0.15)*(striker_x -canvas.width*0.15) + (striker_y - canvas.height*0.85)*(striker_y - canvas.height*0.85 ) +10 <= (canvas.height*0.05- canvas.height*0.04)*(canvas.height*0.05- canvas.height*0.04) || (striker_x -canvas.width*0.85)*(striker_x -canvas.width*0.85) + (striker_y - canvas.height*0.85)*(striker_y - canvas.height*0.85 ) +10 <= (canvas.height*0.05- canvas.height*0.04)*(canvas.height*0.05- canvas.height*0.04)))
{
striker_reset() ;
coin_reset() ;
}
}
function coin_reset()
{
coin_x = canvas.width*0.50 ;
coin_y = canvas.height*0.50 ;
a = 0 ;
b = 0 ;
}
function coin_inside_pocket()
{
if(((coin_x -canvas.width*0.15)*(coin_x -canvas.width*0.15) + (coin_y - canvas.height*0.15)*(coin_y - canvas.height*0.15 ) + 10 <= (canvas.height*0.05- canvas.height*0.03)*(canvas.height*0.05- canvas.height*0.03) || (coin_x - canvas.width*0.85)*(coin_x -canvas.width*0.85) + (coin_y - canvas.height*0.15)*(coin_y - canvas.height*0.15 ) + 10<= (canvas.height*0.05- canvas.height*0.03)*(canvas.height*0.05- canvas.height*0.03) || (coin_x -canvas.width*0.15)*(coin_x -canvas.width*0.15) + (coin_y - canvas.height*0.85)*(coin_y - canvas.height*0.85 ) +10 <= (canvas.height*0.05- canvas.height*0.03)*(canvas.height*0.05- canvas.height*0.04) || (coin_x -canvas.width*0.85)*(coin_x -canvas.width*0.85) + (coin_y - canvas.height*0.85)*(coin_y - canvas.height*0.85 ) +10 <= (canvas.height*0.05- canvas.height*0.03)*(canvas.height*0.05- canvas.height*0.03)))
{
coin_reset();
striker_reset() ;
}
}
function striker_coin_collision()
{
console.log("a");
if(((striker_x - coin_x)*(striker_x - coin_x) + (striker_y - coin_y)*(striker_y - coin_y)) <= ((canvas.height*0.04 + canvas.height*0.03)*(canvas.height*0.04 + canvas.height*0.03)))
{
console.log("a");
striker_x = striker_x + 0.1*(striker_x/6 + (striker_x*Math.pow((0.1*b - striker_y),2))/((Math.pow((striker_x - 0.1*a),2) + Math.pow((striker_y - 0.1*b),2))*6) - (striker_y*(striker_x - 0.1*a)*(striker_y - 0.1*b))/((Math.pow((striker_x - 0.1*a),2) + Math.pow((striker_y - 0.1*b),2))*6) + (0.1*a*Math.pow((striker_x - 0.1*a),2)/((Math.pow((striker_x - 0.1*a),2) + Math.pow((striker_y - 0.1*b),2))*6) + (0.1*b*(striker_x - 0.1*a)*(striker_y - 0.1*b))/((Math.pow((striker_x - 0.1*a),2) + Math.pow((striker_y - 0.1*b),2))*6)))
striker_y = striker_y + 0.1*(striker_y/6 +(striker_y*Math.pow((0.1*a - striker_x),2))/((Math.pow((striker_x - 0.1*a),2) + Math.pow((striker_y - 0.1*b),2))*6) - (striker_x*(striker_x - 0.1*a)*(striker_y - 0.1*b))/((Math.pow((striker_x - 0.1*a),2) + Math.pow((striker_y - 0.1*b),2))*6) + (0.1*a*(striker_x - 0.1*a)*(striker_y - 0.1*b))/((Math.pow((striker_x - 0.1*a),2) + Math.pow((striker_y - 0.1*b),2))*6) + (b*Math.pow((0.1*b - striker_y),2))/((Math.pow((striker_x - 0.1*a),2) + Math.pow((striker_y - 0.1*b),2))*6))
b = b + 0.1*b/3 + 0.1*((0.1*b*Math.pow((0.1*a - striker_x),2))/((Math.pow((striker_x - 0.1*a),2) + Math.pow((striker_y - 0.1*b),2))*3) - (0.1*a*(striker_x - 0.1*a)*(striker_y - 0.1*b))/((Math.pow((striker_x - 0.1*a),2) + Math.pow((striker_y - 0.1*b),2))*3) + (striker_y*Math.pow((0.1*b - striker_y),2))/((Math.pow((striker_x - 0.1*a),2) + Math.pow((striker_y - 0.1*b),2))*3) + (striker_x*(striker_x - 0.1*a)*(striker_y - 0.1*b))/((Math.pow((striker_x - 0.1*a),2) + Math.pow((striker_y - 0.1*b),2))*3))
a = a + 0.1*a/3 + 0.1*((0.1*a*Math.pow((0.1*b - striker_y),2))/((Math.pow((striker_x - 0.1*a),2) + Math.pow((striker_y - 0.1*b),2))*3) - (0.1*b*(striker_x - 0.1*a)*(striker_y - 0.1*b))/((Math.pow((striker_x - 0.1*a),2) + Math.pow((striker_y - 0.1*b),2))*3) + (striker_y*(striker_x - 0.1*a)*(striker_y - 0.1*b))/((Math.pow((striker_x - 0.1*a),2) + Math.pow((striker_y - 0.1*b),2))*3) + (striker_x*Math.pow((0.1*a - striker_x),2))/((Math.pow((striker_x - 0.1*a),2) + Math.pow((striker_y - 0.1*b),2))*3))
}
}
function draw_board()
{
canvas.setDrawMode("fill")
canvas.setColor("rgb(222,184,135)")
canvas.drawRectangle(0 , 0 , canvas.width, canvas.height)
canvas.setColor("rgb(47,79,79)")
canvas.drawCircle(canvas.width*0.15, canvas.height*0.15 ,canvas.height*0.05)
canvas.drawCircle(canvas.width*0.85, canvas.height*0.15 ,canvas.height*0.05)
canvas.drawCircle(canvas.width*0.15, canvas.height*0.85,canvas.height*0.05)
canvas.drawCircle(canvas.width*0.85, canvas.height*0.85,canvas.height*0.05)
canvas.setColor("rgb(139,69,19)")
canvas.drawRectangle(canvas.width*0.2, canvas.height*0.15 , canvas.width*0.6, canvas.height*0.05)
canvas.drawRectangle(canvas.width*0.15, canvas.height*0.2 , canvas.width*0.05, canvas.height*0.6)
canvas.drawRectangle(canvas.width*0.2, canvas.height*0.8 , canvas.width*0.6, canvas.height*0.05)
canvas.drawRectangle(canvas.width*0.8, canvas.height*0.2 , canvas.width*0.05, canvas.height*0.6)
canvas.setDrawMode("stroke")
canvas.setColor("rgb(0,0,0)")
canvas.setLineThickness(5)
canvas.drawRectangle(canvas.width*0.1, canvas.height*0.1 ,canvas.width*0.8, canvas.height*0.8)
canvas.setLineThickness(1)
canvas.drawCircle(canvas.width*0.50, canvas.height*0.50,canvas.height*0.15)
canvas.setDrawMode("fill")
canvas.setColor("rgb(128,128,0)")
canvas.drawCircle(canvas.width*0.50, canvas.height*0.50,canvas.height*0.05)
}
canvas.mouseDownCallback = function()
{
x1 = canvas.mouseX ;
y1 = canvas.mouseY ;
canvas.setDrawMode("stroke");
}
canvas.mouseUpCallback = function()
{
x2 = canvas.mouseX ;
y2 = canvas.mouseY ;
d = (Math.sqrt((x1-x2)*(x1-x2) + (y1-y2)*(y1-y2)))*0.1 ;
p = (x2-x1)*0.1 ;
q = (y2-y1)*0.1 ;
}
// Declare custom functions here
// Function while will be called repeatedly
function main()
{
canvas.clear();
draw_board();
striker_draw();
coins_draw();
update_striker();
striker_inside_pocket();
if(canvas.mouseDown)
{
canvas.drawLine(x1, y1, -canvas.mouseX , -canvas.mouseY) ;
}
move_coin() ;
striker_coin_collision();
coin_inside_pocket() ;
}
// Override functions here;
canvas.mainFunction = main;
var timeStep = 50;
canvas.startMain(timeStep);
canvas.setupFunction = setup;
</script>