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Diffstat (limited to 'examples/graphics/hdtv/lookat.h')
| -rw-r--r-- | examples/graphics/hdtv/lookat.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/examples/graphics/hdtv/lookat.h b/examples/graphics/hdtv/lookat.h new file mode 100644 index 0000000..c57e50a --- /dev/null +++ b/examples/graphics/hdtv/lookat.h @@ -0,0 +1,19 @@ +#ifndef _LOOKAT_H +#define _LOOKAT_H + +#include <psxgte.h> +#include <psxgpu.h> + +/* LookAt + * + * Generates a matrix that looks from 'eye' to 'at'. + * + * eye - Position of viewpoint + * at - Position to 'look at' from viewpoint + * up - Vector that defines the 'up' direction + * mtx - Matrix output + * + */ +void LookAt(VECTOR *eye, VECTOR *at, SVECTOR *up, MATRIX *mtx); + +#endif // _LOOKAT_H
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