Script 8.11. Simple bug catching game
Jaap MurreSimple bug catching game
Drag the target over the bug. This is the script 8.11 in the Getting Started book.It consists of only 30 lines of code.
Press the space bar to start the game. The red bug will move erratically.
The objective is to catch the by dragging the target on top of the bug.
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var a = addblock("center","bottom",80,20).text("Press Space bar to start!"),
c = addblock(1,1,15,15).icon('bug',350).style('color','crimson'),
b = addblock(40,40,20,20).icon('bullseye',450).style('color','navy').moveable(),
speed = 1, hor = speed, ver = speed;
awaitkey(" "); // Wait for space
a.clear(); // Clear starting message
for (var i = 0; i < 2000; i++) {
RAF(); // Request animation frame
c.move(hor,ver); // Move the bug
if (c.inside(b)) {
a.text("Caught!!!");
break; // Break out of the loop
}
if (random() < .025) { // Keep movements within bounds
hor = -hor;
}
if (random() < .025) {
ver = -ver;
}
if (c.left < 0 || c.left > 85) {
hor = -hor;
}
if (c.top < 0 || c.top > 85) {
ver = -ver;
}
}
await(4000);