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don't create rectangles with width or height being 0 (and some whitespace noise, sorry)

This commit is contained in:
Christian Kroll 2011-09-01 21:56:41 +00:00
parent 3536604fb6
commit b4e5b60ffe
1 changed files with 31 additions and 30 deletions
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61
animations/mherweg.c
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@ -101,16 +101,16 @@ static void checkbox()
}
// draw two diagonal lines
line ((pixel){7, 7}, (pixel){0, 0}, color);
wait (delay);
line ((pixel){0, 7}, (pixel){7, 0}, color);
wait (delay * 3);
line((pixel){7, 7}, (pixel){0, 0}, color);
wait(delay);
line((pixel){0, 7}, (pixel){7, 0}, color);
wait(delay * 3);
// shift image to the right (shift_pximap_l() really shifts to the right)
for (unsigned char x = NUM_COLS; x--;)
{
shift_pixmap_l();
wait (shiftdelay);
wait(shiftdelay);
}
}
@ -130,15 +130,15 @@ static void movinglines()
for (unsigned char x = 0; x < NUM_COLS; x++)
{
shift_pixmap_l();
wait (delay);
wait(delay);
}
// a line walking from the lower to the upper border
for (unsigned char y = NUM_ROWS; y--;)
{
line ((pixel){0, y}, (pixel){NUM_COLS - 1, y}, color);
wait (delay);
line ((pixel){0, y}, (pixel){NUM_COLS - 1, y}, blank);
line((pixel){0, y}, (pixel){NUM_COLS - 1, y}, color);
wait(delay);
line((pixel){0, y}, (pixel){NUM_COLS - 1, y}, blank);
}
// quickly moving cross hairs
@ -147,11 +147,11 @@ static void movinglines()
for (unsigned char x = 0; x < NUM_COLS - 1; x++)
{
unsigned char y = x % NUM_ROWS;
line ((pixel){0, y}, (pixel){NUM_COLS - 1, y}, color);
line ((pixel){x, 0}, (pixel){x, NUM_ROWS - 1}, color);
wait (delay / 2);
line ((pixel){0, y}, (pixel){NUM_COLS - 1, y}, blank);
line ((pixel){x, 0}, (pixel){x, NUM_ROWS - 1}, blank);
line((pixel){0, y}, (pixel){NUM_COLS - 1, y}, color);
line((pixel){x, 0}, (pixel){x, NUM_ROWS - 1}, color);
wait(delay / 2);
line((pixel){0, y}, (pixel){NUM_COLS - 1, y}, blank);
line((pixel){x, 0}, (pixel){x, NUM_ROWS - 1}, blank);
}
}
}
@ -178,7 +178,7 @@ static void rectangle1()
// draw the rectangle and wait for a moment
filled_rectangle((pixel){(xcenter - x), (ycenter - x)},
size, size, color);
wait (delay);
wait(delay);
// iterate through all colors periodically
++color;
@ -188,7 +188,7 @@ static void rectangle1()
size -= 2;
}
wait (delay * 3);
wait(delay * 3);
}
@ -201,17 +201,18 @@ static void rectangles()
clear_screen(blank);
for (unsigned char n = 0; n < 60; n++)
{
// randomly chosen position, dimension and color
// randomly choose position, dimensions and color (the rectangle may
// exceed the actual screen size, only width and height have to be > 0)
unsigned char const x = random8() % NUM_COLS;
unsigned char const y = random8() % NUM_ROWS;
unsigned char const h = random8() % NUM_COLS / 2;
unsigned char const w = random8() % NUM_ROWS / 2;
unsigned char const w = random8() % (NUM_COLS / 2) + 1;
unsigned char const h = random8() % (NUM_ROWS / 2) + 1;
unsigned char const color = random8() % (NUMPLANE + 1);
filled_rectangle((pixel){x, y}, w, h, color);
// wait between 500 and 750 ms
wait (500 + random8());
wait(500 + random8());
}
}
@ -225,16 +226,16 @@ static void lines1()
clear_screen(blank);
for (unsigned char n = 0; n < 200; n++)
{
// randomly chosen position, dimension and color
unsigned char const x = random8() % NUM_COLS;
unsigned char const y = random8() % NUM_ROWS;
unsigned char const h = random8() % NUM_COLS;
unsigned char const w = random8() % NUM_ROWS;
// randomly choose position, length and color
unsigned char const x1 = random8() % NUM_COLS;
unsigned char const y1 = random8() % NUM_ROWS;
unsigned char const x2 = random8() % NUM_COLS;
unsigned char const y2 = random8() % NUM_ROWS;
unsigned char const color = random8() % (NUMPLANE + 1);
line((pixel){x, y}, (pixel){w, h}, color);
line((pixel){x1, y1}, (pixel){x2, y2}, color);
wait(random8()); // wait up to 250 ms
line((pixel){x, y}, (pixel){w, h}, blank);
line((pixel){x1, y1}, (pixel){x2, y2}, blank);
}
}
@ -260,12 +261,12 @@ static void dots1()
static unsigned char const color[5] PROGMEM = {1, 2, 3, 2, 1};
for (unsigned char i = 0; i < 5; ++i)
{
setpixel ((pixel){x, y}, PGM(color[i]));
setpixel((pixel){x, y}, PGM(color[i]));
wait(glimmer_delay);
}
// wait up to 2500 ms until the next dot is drawn
wait (random8() * 10);
// wait up to 2.5 seconds until the next dot is drawn
wait(random8() * 10);
}
}