comparison: src/camera.c
src/camera.c
- changeset 101
- febf3dc10011
- parent 99
- ac143db979dc
equal
deleted
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replaced
| 100:5231da78831e | 101:febf3dc10011 |
|---|---|
| 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 25 * POSSIBILITY OF SUCH DAMAGE. | 25 * POSSIBILITY OF SUCH DAMAGE. |
| 26 */ | 26 */ |
| 27 | 27 |
| 28 #include "ascension/context.h" | |
| 28 #include "ascension/camera.h" | 29 #include "ascension/camera.h" |
| 30 | |
| 31 void asc_camera_init(AscCamera *camera, AscCameraParams params) { | |
| 32 if (params.type == ASC_CAMERA_ORTHO) { | |
| 33 asc_recti rect = params.ortho.rect; | |
| 34 if (rect.size.width <= 0 || rect.size.height <= 0) { | |
| 35 rect.size.width = 1; | |
| 36 rect.size.height = 1; | |
| 37 } | |
| 38 asc_camera_ortho(camera, rect); | |
| 39 } else if (params.type == ASC_CAMERA_PERSPECTIVE) { | |
| 40 // TODO: implement | |
| 41 asc_wprintf("Camera type PERSPECTIVE is not yet implemented."); | |
| 42 } else { | |
| 43 // at least zero all the bytes (law of the least surprise) | |
| 44 memset(camera, 0, sizeof(AscCamera)); | |
| 45 } | |
| 46 camera->viewport_update_func = params.viewport_update_func; | |
| 47 camera->projection_update_func = params.projection_update_func; | |
| 48 } | |
| 29 | 49 |
| 30 void asc_camera_ortho(AscCamera *camera, asc_recti rect) { | 50 void asc_camera_ortho(AscCamera *camera, asc_recti rect) { |
| 31 asc_mat4f_unit(camera->view); | 51 asc_mat4f_unit(camera->view); |
| 32 float left = (float) rect.pos.x; | 52 float left = (float) rect.pos.x; |
| 33 float right = left + (float) rect.size.width; | 53 float right = left + (float) rect.size.width; |
