45 lines
756 B
Scheme
45 lines
756 B
Scheme
import geometry.*;
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import colors.*;
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import idraw.*;
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class A extends World {
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Posn O = new Posn(10,25);
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Posn OO = new Posn(0,0);
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IColor RED = new Red();
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String s;
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A(String s) {
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this.s = s;
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}
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void go() {
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bigBang(50,50,1);
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}
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public void onTick() {
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if (s.equals("hello")) {
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this.s = "world"; }
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else {
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this.s = "hello"; }
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}
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public void onKeyEvent(String key) {
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if (key.equals("x")) {
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this.s = "bye"; }
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}
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public void draw() {
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this.theCanvas.drawRect(OO,50,50,RED);
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this.theCanvas.drawString(O,s);
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}
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}
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class Examples {
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Posn p = new Posn(10,20);
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IColor c = new Red();
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boolean b = check this.p.x expect 10;
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A a = new A("hello");
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Examples() {
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a.go();
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}
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} |