The Essential Guide to HTML5
DICE GAME You can use a similar approach to get whole numbers in any range. For example, if you want the numbers 1 to 13, youd ...
CHAPTER 2 userFirstThrow. You can see why its called camel case—the capitals form “humps” in the word. You dont have to use th ...
DICE GAME the programmer chooses the name. Heres an example of a function definition that returns the product of the two argume ...
CHAPTER 2 and the second one as: Is the current value of the variable course the same as the string "Programming Games"? The com ...
DICE GAME codea; case b: codeb; default: codec; } JavaScript evaluates the value of x in the first line of the switch statement ...
CHAPTER 2 .... ... Here is where the initial static content will go... To work with the canvas, we include the tags for ca ...
DICE GAME canvas, this goes by the name origin or registration point. The origin is the upper left corner of the canvas element. ...
CHAPTER 2 This snippet ctx.fillStyle = "rgb(0,0,255)"; ctx.fillRect(x,y,w,h); draws a solid blue rectangle at the indicated posi ...
DICE GAME Here are some examples, with the complete code, for you to create (using TextPad or TextWrangler) and then vary to tes ...
CHAPTER 2 Now, lets go on with other variations. Do take each one and experiment with it. Changing the las t parameter of the a ...
DICE GAME in the frown example, will “finish off” the arc. The complete code is Frown function init() { var ctx =document.get ...
CHAPTER 2 Smile function init() { var ctx =document.getElementById("canvas").getContext('2d'); ctx.beginPath(); ctx.strokeStyle ...
DICE GAME ctx.lineWidth=5; ctx.stroke(); } Your browser doesn't support the HTML5 element canvas. This code produces a h ...
CHAPTER 2 Later examples show how to draw a slingshot (Chapter 4), polygons for the memory/concentration game (Chapter 5), walls ...
DICE GAME Figure 2-11 shows a possible opening screen for the first application. I say possible because it won't always be a 4. ...
CHAPTER 2 Figure 2-13. Clicking the button to throw the pair of dice It is good technique to build your application in increment ...
DICE GAME draw2 called by drawface in 2 faces for 2 and 3 draw4 called by drawface in 3 places for 4, 5 and 6 draw2mid called by ...
CHAPTER 2 var ch = 1+Math.floor(Math. random()*6); Declare and set the value of the ch variable to randomly be the number 1, 2, ...
DICE GAME break; Break out of the switch case 4: If it is 4 draw4(); Call the draw4 function break; Break out of the switch case ...
CHAPTER 2 ctx.closePath(); Close the path ctx.fill(); Draw the path, that is, fill the circle } Close draw1 function draw2() { S ...
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