comparison: test/snake/snake.c
test/snake/snake.c
- changeset 233
- bda74199223f
- parent 231
- 0da563c4e39c
- child 234
- a1d70b8018c1
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inserted
replaced
| 232:4c43b9de3294 | 233:bda74199223f |
|---|---|
| 229 asc_scene_add_node(MAIN_SCENE, gamefield); | 229 asc_scene_add_node(MAIN_SCENE, gamefield); |
| 230 } | 230 } |
| 231 | 231 |
| 232 static asc_rect update_viewport_for_window_resize(asc_vec2u window_size) { | 232 static asc_rect update_viewport_for_window_resize(asc_vec2u window_size) { |
| 233 | 233 |
| 234 // TODO: special case: window is SO small that nothing would be rendered | 234 // margins |
| 235 | |
| 236 // remove margins | |
| 237 const unsigned margin = 10; | 235 const unsigned margin = 10; |
| 238 window_size.width -= 2*margin; | 236 |
| 239 window_size.height -= 2*margin; | 237 // space for score, power-ups, etc. |
| 240 | |
| 241 // remove space for score, power-ups, etc. | |
| 242 const unsigned left_area = (unsigned) (asc_active_window->ui_scale*200); | 238 const unsigned left_area = (unsigned) (asc_active_window->ui_scale*200); |
| 243 window_size.width -= left_area; | 239 |
| 240 // calculate how many pixels need to be removed from width and height | |
| 241 const unsigned rw = 2*margin + left_area; | |
| 242 const unsigned rh = 2*margin; | |
| 243 | |
| 244 // check if there is still a viewport left and chicken out when not | |
| 245 if (window_size.width < rw || window_size.height < rh) { | |
| 246 return ASC_RECT(0, 0, 0, 0); | |
| 247 } | |
| 248 window_size.width -= rw; | |
| 249 window_size.height -= rh; | |
| 244 | 250 |
| 245 // Compute scaling and offsets | 251 // Compute scaling and offsets |
| 246 unsigned viewport_size, offset_x = 0, offset_y = 0; | 252 unsigned viewport_size, offset_x = 0, offset_y = 0; |
| 247 if (window_size.width > window_size.height) { | 253 if (window_size.width > window_size.height) { |
| 248 // Wider window: letterbox (black bars on top/bottom) | 254 // Wider window: letterbox (black bars on top/bottom) |
