Difference between revisions of "CSC103 Homework 5 Solution 2012"
(Created page with "--~~~~ ---- <code><pre> void setup() { size( 500, 500 ); smooth(); } void draw() { background( 200 ); for ( int x=0; x < 500; x = x+20 ) { fill( x/2, 255-x, ...") |
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--[[User:Thiebaut|D. Thiebaut]] 17:02, 7 March 2012 (EST) | --[[User:Thiebaut|D. Thiebaut]] 17:02, 7 March 2012 (EST) | ||
---- | ---- | ||
| + | <onlydft> | ||
<code><pre> | <code><pre> | ||
| + | // solution program for Homework #5 | ||
| + | // setup() | ||
void setup() { | void setup() { | ||
size( 500, 500 ); | size( 500, 500 ); | ||
smooth(); | smooth(); | ||
} | } | ||
| + | |||
| + | // draw(): called 30 times/sec | ||
| + | // draws horizontal rectangles with varying colors in background | ||
| + | // draws circles that fit exactly in rectangles on the left and right sides | ||
| + | // circles on the left appear only if they're below the mouse, while | ||
| + | // circles on the right appear only if they're above the mouse. | ||
void draw() { | void draw() { | ||
| + | // erase the window | ||
background( 200 ); | background( 200 ); | ||
| + | // draw stacked rectangles from 0 to 500, in increment of 20 | ||
for ( int x=0; x < 500; x = x+20 ) { | for ( int x=0; x < 500; x = x+20 ) { | ||
| + | // pick a color whose green contents vary with x | ||
fill( x/2, 255-x, 0 ); | fill( x/2, 255-x, 0 ); | ||
| + | // position the rectangle | ||
rect( 0, x, 500, 20 ); | rect( 0, x, 500, 20 ); | ||
| + | |||
| + | // pick an orange color | ||
fill( 250, 200, 8 ); | fill( 250, 200, 8 ); | ||
| + | |||
| + | // if left-circle center is above vertical position of mouse, draw it | ||
if ( mouseY < x ) { | if ( mouseY < x ) { | ||
ellipse( 20, x+10, 20, 20 ); | ellipse( 20, x+10, 20, 20 ); | ||
} | } | ||
| + | // otherwise if right-circle center is below vertical position of the mouse, draw it | ||
else { | else { | ||
ellipse( 500-20, x+10, 20, 20 ); | ellipse( 500-20, x+10, 20, 20 ); | ||
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</pre></code> | </pre></code> | ||
<br /> | <br /> | ||
| − | + | </onlydft> | |
<br /> | <br /> | ||
