小学校教員のためのプログラミング入門
int r = 5; color nowcolor; color mc[ ] = new color [5]; int mx = 750, my = 10, ms = 40; void setup() { size(800,600); colorMode(HSB,360,100,100); background(119,100,25); mc[0] = color(0,0,100); mc[1] = color(0,100,100); mc[2] = color(239,100,100); mc[3] = color(59,100,100); mc[4] = color(119,100,25); nowcolor = color(0,0,100); } void draw() { if( isdrag == true ) { stroke( nowcolor ); strokeWeight( r ); line( bx, by, mouseX, mouseY ); bx = mouseX; by = mouseY; } else { stroke( 0,0,100 ); for( int i = 0 ; i < 5 ; i++ ) { fill( mc[i] ); strokeWeight( 1 ); rect( mx, my+(ms+10)*i, ms, ms ); } } } boolean isdrag = false; int bx, by; void mousePressed() { int i = 5; if( mouseX >=mx && mouseX <= mx+ms ) { for( i = 0 ; i < 5 ; i++ ) { if( mouseY >= my+(ms+10)*i && mouseY <= my+(ms+10)*(i+1) ) break; } } if( i < 5 ) { nowcolor = mc[i]; } else { isdrag = true; bx = mouseX; by = mouseY; } } void mouseReleased() { isdrag = false; } |