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-rw-r--r--demos/applications/mandelbrot/main.c79
1 files changed, 0 insertions, 79 deletions
diff --git a/demos/applications/mandelbrot/main.c b/demos/applications/mandelbrot/main.c
deleted file mode 100644
index 2fe1141d..00000000
--- a/demos/applications/mandelbrot/main.c
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- ChibiOS/GFX - Copyright (C) 2012
- Joel Bodenmann aka Tectu <joel@unormal.org>
-
- This file is part of ChibiOS/GFX.
-
- ChibiOS/GFX is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- ChibiOS/GFX is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "ch.h"
-#include "hal.h"
-#include "gfx.h"
-
-void mandelbrot(float x1, float y1, float x2, float y2) {
- unsigned int i,j, width, height;
- uint16_t iter;
- color_t color;
- float fwidth, fheight;
-
- float sy = y2 - y1;
- float sx = x2 - x1;
- const int MAX = 512;
-
- width = (unsigned int)gdispGetWidth();
- height = (unsigned int)gdispGetHeight();
- fwidth = width;
- fheight = height;
-
- for(i = 0; i < width; i++) {
- for(j = 0; j < height; j++) {
- float cy = j * sy / fheight + y1;
- float cx = i * sx / fwidth + x1;
- float x=0.0f, y=0.0f, xx=0.0f, yy=0.0f;
- for(iter=0; iter <= MAX && xx+yy<4.0f; iter++) {
- xx = x*x;
- yy = y*y;
- y = 2.0f*x*y + cy;
- x = xx - yy + cx;
- }
- //color = ((iter << 8) | (iter&0xFF));
- color = RGB2COLOR(iter<<7, iter<<4, iter);
- gdispDrawPixel(i, j, color);
- }
- }
-}
-
-int main(void) {
- float cx, cy;
- float zoom = 1.0f;
-
- halInit();
- chSysInit();
-
- gdispInit();
-
- /* where to zoom in */
- cx = -0.086f;
- cy = 0.85f;
-
- while(TRUE) {
- mandelbrot(-2.0f*zoom+cx, -1.5f*zoom+cy, 2.0f*zoom+cx, 1.5f*zoom+cy);
-
- zoom *= 0.7f;
- if(zoom <= 0.00001f)
- zoom = 1.0f;
- }
-}
-