Added pixel text writing to start.js and 4x4 and 5x6 alphabets. Added test to rooms/oceanRoom.js.

This commit is contained in:
Robbie Antenesse 2016-04-06 14:52:02 -06:00
parent 84434851a1
commit f7adca5a79
11 changed files with 204 additions and 2 deletions

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@ -45,9 +45,12 @@ rm_Ocean.Do = function () {
rm_Ocean.DrawAbove = function () { rm_Ocean.DrawAbove = function () {
// Draw the speed indicator in Bottom Left corner. // Draw the speed indicator in Bottom Left corner.
OS.context.drawImage(rm_Ocean.speedGaugeImg, G.player.currentSpeed * 32, 0, 32, 32, 16, OS.camera.height - 32 - 16, 32, 32); OS.context.drawImage(rm_Ocean.speedGaugeImg, G.player.currentSpeed * 32, 0, 32, 32, 16, OS.camera.height - 32 - 16, 32, 32);
drawPixelText("Testing 1 2 3!", 0, 0, 0, "white", 4);
drawPixelText("Testing 1 2 3!", 0, 64, 0, "white", 6);
} }
rm_Ocean.DoLast = function () { rm_Ocean.DoLast = function () {
// Clear Objects on room exit. This is best practice unless you need persistent objects. // Clear Objects on room exit. This is best practice unless you need persistent objects.
rm_Ocean.objects = {}; //rm_Ocean.objects = {};
} }

199
start.js
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@ -19,3 +19,202 @@ function randomSmidge() {
// Return a random amount between -10 and 10 on the pixel scale. // Return a random amount between -10 and 10 on the pixel scale.
return (Math.round(Math.randomRange(-10, 10)) * OS.S.pixelScale); return (Math.round(Math.randomRange(-10, 10)) * OS.S.pixelScale);
} }
function drawPixelText(text, x, y, wrapWidth, color, size) {
// Draw the text at the given x and y on the canvas using the alphabet images.
// Remember to set the pixel scale for x and y when you call the function!
// 4x4 font from http://pixeljoint.com/forum/forum_posts.asp?TID=18755&PID=185995#185995
// 5x6 font from http://atariage.com/forums/topic/165697-fonts/page-4#entry2081600
text = text.toString().toUpperCase();
var letterSizeX = ((size == 6) ? size - 1 : size) * OS.S.pixelScale;
var letterSizeY = size * OS.S.pixelScale;
var maxWrapWidth = Math.floor(OS.camera.width / (letterSizeX + OS.S.pixelScale));
console.log(maxWrapWidth);
wrapWidth = (wrapWidth <= 0 || wrapWidth > maxWrapWidth) ? maxWrapWidth : wrapWidth;
var alphabet = new Image();
alphabet.src = "images/alphabet_" + color + "_" + size.toString() + "px.png";
for (var i = 0; i < text.length; i++) {
var letterCellX, letterCellY;
switch (text.charAt(i)) {
case "A":
letterCellX = 0;
letterCellY = 0;
break;
case "B":
letterCellX = 1;
letterCellY = 0;
break;
case "C":
letterCellX = 2;
letterCellY = 0;
break;
case "D":
letterCellX = 3;
letterCellY = 0;
break;
case "E":
letterCellX = 4;
letterCellY = 0;
break;
case "F":
letterCellX = 5;
letterCellY = 0;
break;
case "G":
letterCellX = 0;
letterCellY = 1;
break;
case "H":
letterCellX = 1;
letterCellY = 1;
break;
case "I":
letterCellX = 2;
letterCellY = 1;
break;
case "J":
letterCellX = 3;
letterCellY = 1;
break;
case "K":
letterCellX = 4;
letterCellY = 1;
break;
case "L":
letterCellX = 5;
letterCellY = 1;
break;
case "M":
letterCellX = 0;
letterCellY = 2;
break;
case "N":
letterCellX = 1;
letterCellY = 2;
break;
case "O":
letterCellX = 2;
letterCellY = 2;
break;
case "P":
letterCellX = 3;
letterCellY = 2;
break;
case "Q":
letterCellX = 4;
letterCellY = 2;
break;
case "R":
letterCellX = 5;
letterCellY = 2;
break;
case "S":
letterCellX = 0;
letterCellY = 3;
break;
case "T":
letterCellX = 1;
letterCellY = 3;
break;
case "U":
letterCellX = 2;
letterCellY = 3;
break;
case "V":
letterCellX = 3;
letterCellY = 3;
break;
case "W":
letterCellX = 4;
letterCellY = 3;
break;
case "X":
letterCellX = 5;
letterCellY = 3;
break;
case "Y":
letterCellX = 0;
letterCellY = 4;
break;
case "Z":
letterCellX = 1;
letterCellY = 4;
break;
case "1":
letterCellX = 2;
letterCellY = 4;
break;
case "2":
letterCellX = 3;
letterCellY = 4;
break;
case "3":
letterCellX = 4;
letterCellY = 4;
break;
case "4":
letterCellX = 5;
letterCellY = 4;
break;
case "5":
letterCellX = 0;
letterCellY = 5;
break;
case "6":
letterCellX = 1;
letterCellY = 5;
break;
case "7":
letterCellX = 2;
letterCellY = 5;
break;
case "8":
letterCellX = 3;
letterCellY = 5;
break;
case "9":
letterCellX = 4;
letterCellY = 5;
break;
case "0":
letterCellX = 5;
letterCellY = 5;
break;
case ".":
letterCellX = 0;
letterCellY = 6;
break;
case ",":
letterCellX = 1;
letterCellY = 6;
break;
case "-":
letterCellX = 2;
letterCellY = 6;
break;
case "?":
letterCellX = 3;
letterCellY = 6;
break;
case "!":
letterCellX = 4;
letterCellY = 6;
break;
default: // Default to Space
letterCellX = 5;
letterCellY = 6;
break;
}
var lineNumber = Math.floor(i/wrapWidth);
var horizontal = i - (wrapWidth * lineNumber);
var letterSheetX = letterSizeX * letterCellX;
var letterSheetY = letterSizeY * letterCellY;
var letterX = x + (letterSizeX * horizontal) + (OS.S.pixelScale * horizontal); //Places a space between characters horizontally
var letterY = y + (letterSizeY * lineNumber) + (OS.S.pixelScale * lineNumber); //Places a space between characters vertically
OS.context.drawImage(alphabet, letterSheetX, letterSheetY, letterSizeX, letterSizeY, letterX, letterY, letterSizeX, letterSizeY);
}
}