diff options
Diffstat (limited to 'apps/plugins')
-rw-r--r-- | apps/plugins/mandelbrot.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/apps/plugins/mandelbrot.c b/apps/plugins/mandelbrot.c index 3585af80f9..3c948e8130 100644 --- a/apps/plugins/mandelbrot.c +++ b/apps/plugins/mandelbrot.c | |||
@@ -38,10 +38,10 @@ static int delta; | |||
38 | static int max_iter; | 38 | static int max_iter; |
39 | 39 | ||
40 | void init_mandelbrot_set(void){ | 40 | void init_mandelbrot_set(void){ |
41 | x_min = -5<<27; // -2.5<<28 | 41 | x_min = -5<<25; // -2.5<<26 |
42 | x_max = 1<<28; // 1.0<<28 | 42 | x_max = 1<<26; // 1.0<<26 |
43 | y_min = -1<<28; // -1.0<<28 | 43 | y_min = -1<<26; // -1.0<<26 |
44 | y_max = 1<<28; // 1.0<<28 | 44 | y_max = 1<<26; // 1.0<<26 |
45 | delta = (x_max - x_min) >> 3; // /8 | 45 | delta = (x_max - x_min) >> 3; // /8 |
46 | max_iter = 25; | 46 | max_iter = 25; |
47 | } | 47 | } |
@@ -71,12 +71,12 @@ void calc_mandelbrot_set(void){ | |||
71 | n_iter = 0; | 71 | n_iter = 0; |
72 | 72 | ||
73 | while (++n_iter<=max_iter) { | 73 | while (++n_iter<=max_iter) { |
74 | x >>= 14; | 74 | x >>= 13; |
75 | y >>= 14; | 75 | y >>= 13; |
76 | x2 = x * x; | 76 | x2 = x * x; |
77 | y2 = y * y; | 77 | y2 = y * y; |
78 | 78 | ||
79 | if (x2 + y2 > (4<<28)) break; | 79 | if (x2 + y2 > (4<<26)) break; |
80 | 80 | ||
81 | y = 2 * x * y + b; | 81 | y = 2 * x * y + b; |
82 | x = x2 - y2 + a; | 82 | x = x2 - y2 + a; |
@@ -114,7 +114,7 @@ enum plugin_status plugin_start(struct plugin_api* api, void* parameter) | |||
114 | rb = api; | 114 | rb = api; |
115 | 115 | ||
116 | init_mandelbrot_set(); | 116 | init_mandelbrot_set(); |
117 | lcd_aspect_ratio = ((LCD_WIDTH<<14) / LCD_HEIGHT)<<14; | 117 | lcd_aspect_ratio = ((LCD_WIDTH<<13) / LCD_HEIGHT)<<13; |
118 | 118 | ||
119 | /* main loop */ | 119 | /* main loop */ |
120 | while (true){ | 120 | while (true){ |
@@ -132,8 +132,8 @@ enum plugin_status plugin_start(struct plugin_api* api, void* parameter) | |||
132 | return PLUGIN_OK; | 132 | return PLUGIN_OK; |
133 | 133 | ||
134 | case BUTTON_ON: | 134 | case BUTTON_ON: |
135 | x_min -= ((delta>>14)*(lcd_aspect_ratio>>14)); | 135 | x_min -= ((delta>>13)*(lcd_aspect_ratio>>13)); |
136 | x_max += ((delta>>14)*(lcd_aspect_ratio>>14)); | 136 | x_max += ((delta>>13)*(lcd_aspect_ratio>>13)); |
137 | y_min -= delta; | 137 | y_min -= delta; |
138 | y_max += delta; | 138 | y_max += delta; |
139 | delta = (x_max - x_min) >> 3; | 139 | delta = (x_max - x_min) >> 3; |
@@ -141,8 +141,8 @@ enum plugin_status plugin_start(struct plugin_api* api, void* parameter) | |||
141 | 141 | ||
142 | 142 | ||
143 | case BUTTON_PLAY: | 143 | case BUTTON_PLAY: |
144 | x_min += ((delta>>14)*(lcd_aspect_ratio>>14)); | 144 | x_min += ((delta>>13)*(lcd_aspect_ratio>>13)); |
145 | x_max -= ((delta>>14)*(lcd_aspect_ratio>>14)); | 145 | x_max -= ((delta>>13)*(lcd_aspect_ratio>>13)); |
146 | y_min += delta; | 146 | y_min += delta; |
147 | y_max -= delta; | 147 | y_max -= delta; |
148 | delta = (x_max - x_min) >> 3; | 148 | delta = (x_max - x_min) >> 3; |