Revision 1082
Robots drawn to scale.
| gtk_environment_view.c | ||
|---|---|---|
| 15 | 15 |
#define ENVIRONMENT_VIEW_MIN_WIDTH 100 |
| 16 | 16 |
#define ENVIRONMENT_VIEW_MIN_HEIGHT 50 |
| 17 | 17 |
|
| 18 |
#define ENVIRONMENT_PI 3.14159 |
|
| 19 |
#define ENVIRONMENT_ROBOT_DIAMETER 50 |
|
| 18 |
#define ROBOT_DIAMETER 30 |
|
| 20 | 19 |
|
| 21 | 20 |
static GtkWidgetClass* parent_class = NULL; |
| 22 | 21 |
|
| ... | ... | |
| 411 | 410 |
static void draw_robot(GdkDrawable* drawable, GdkGC* gc, |
| 412 | 411 |
float x, float y, float angle) |
| 413 | 412 |
{
|
| 414 |
if (!drawable || !gc) |
|
| 415 |
return; |
|
| 416 |
|
|
| 417 | 413 |
double leftx = world.win.p1.x; |
| 418 | 414 |
double upy = world.win.p1.x; |
| 419 | 415 |
double xwidth = world.win.p2.x - leftx; |
| 420 | 416 |
double yheight = world.win.p2.y - upy; |
| 417 |
double rx, ry; |
|
| 421 | 418 |
int width, height; |
| 419 |
|
|
| 420 |
if (!drawable || !gc) |
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| 421 |
return; |
|
| 422 | 422 |
gdk_drawable_get_size(drawable, &width, &height); |
| 423 | 423 |
if (xwidth / width < yheight / height) |
| 424 | 424 |
width = (int)(height / yheight * xwidth); |
| 425 | 425 |
else |
| 426 | 426 |
height = (int)(width / xwidth * yheight); |
| 427 |
|
|
| 428 |
rx = (double)ROBOT_DIAMETER / xwidth * width; |
|
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ry = (double)ROBOT_DIAMETER / yheight * height; |
|
| 427 | 430 |
|
| 428 | 431 |
x = ((x - leftx) / xwidth * width); |
| 429 | 432 |
y = ((y - upy) / yheight * height); |
| 430 |
int x_c = (int)x - ENVIRONMENT_ROBOT_DIAMETER / 2; |
|
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int y_c = (int)y - ENVIRONMENT_ROBOT_DIAMETER / 2; |
|
| 432 | 433 |
|
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gdk_draw_arc(drawable, gc, FALSE, x_c, y_c, |
|
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ENVIRONMENT_ROBOT_DIAMETER, ENVIRONMENT_ROBOT_DIAMETER, |
|
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0, 360*64); |
|
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gdk_draw_arc(drawable, gc, FALSE, (int)(x - rx / 2), (int)(y - ry / 2), |
|
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rx, ry, 0, 360*64); |
|
| 436 | 436 |
|
| 437 |
//TODO: scale radius |
|
| 438 | 437 |
gdk_draw_line(drawable, gc, x, y, |
| 439 |
x + (ENVIRONMENT_ROBOT_DIAMETER - 10) * cos(-angle),
|
|
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y - (ENVIRONMENT_ROBOT_DIAMETER - 10) * sin(-angle));
|
|
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x + (rx / 1.8) * cos(-angle),
|
|
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y - (ry / 1.8) * sin(-angle));
|
|
| 441 | 440 |
} |
| 442 | 441 |
|
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