diff options
Diffstat (limited to 'vendor/libftm/src/mat4')
| -rw-r--r-- | vendor/libftm/src/mat4/ftm_mat4init_frustum.c | 27 | ||||
| -rw-r--r-- | vendor/libftm/src/mat4/ftm_mat4init_frustum_sym.c | 26 | ||||
| -rw-r--r-- | vendor/libftm/src/mat4/ftm_mat4init_perspective.c | 25 | ||||
| -rw-r--r-- | vendor/libftm/src/mat4/ftm_mat4init_proj.c | 0 | ||||
| -rw-r--r-- | vendor/libftm/src/mat4/ftm_mat4rotate.c | 6 |
5 files changed, 81 insertions, 3 deletions
diff --git a/vendor/libftm/src/mat4/ftm_mat4init_frustum.c b/vendor/libftm/src/mat4/ftm_mat4init_frustum.c new file mode 100644 index 0000000..1ba30b2 --- /dev/null +++ b/vendor/libftm/src/mat4/ftm_mat4init_frustum.c @@ -0,0 +1,27 @@ +/* ************************************************************************** */ +/* */ +/* ::: :::::::: */ +/* ftm_mat4init_frustum.c :+: :+: :+: */ +/* +:+ +:+ +:+ */ +/* By: charles <charles.cabergs@gmail.com> +#+ +:+ +#+ */ +/* +#+#+#+#+#+ +#+ */ +/* Created: 2020/05/12 15:37:26 by charles #+# #+# */ +/* Updated: 2020/05/12 17:29:53 by charles ### ########.fr */ +/* */ +/* ************************************************************************** */ + +#include "libftm_mat4.h" + +t_ftmmat4 *ftm_mat4init_frustum(t_ftmmat4 *mat4, t_ftmfrustum *frustum) +{ + ftm_mat4init_fill(mat4, 0.0); + + ftm_mat4set(mat4, 0, 0, (2.0 * frustum->near) / (frustum->right - frustum->left)); + ftm_mat4set(mat4, 1, 1, (2.0 * frustum->near) / (frustum->top - frustum->bottom)); + ftm_mat4set(mat4, 2, 2, (-(frustum->far + frustum->near)) / (frustum->far - frustum->near)); + ftm_mat4set(mat4, 0, 2, (frustum->right + frustum->left) / (frustum->right - frustum->left)); + ftm_mat4set(mat4, 1, 2, (frustum->top + frustum->bottom) / (frustum->top - frustum->bottom)); + ftm_mat4set(mat4, 2, 3, (-2.0 * frustum->far * frustum->near) / (frustum->far - frustum->near)); + ftm_mat4set(mat4, 3, 2, -1.0); + return (mat4); +} diff --git a/vendor/libftm/src/mat4/ftm_mat4init_frustum_sym.c b/vendor/libftm/src/mat4/ftm_mat4init_frustum_sym.c new file mode 100644 index 0000000..2763765 --- /dev/null +++ b/vendor/libftm/src/mat4/ftm_mat4init_frustum_sym.c @@ -0,0 +1,26 @@ +/* ************************************************************************** */ +/* */ +/* ::: :::::::: */ +/* ftm_mat4init_frustum_sym.c :+: :+: :+: */ +/* +:+ +:+ +:+ */ +/* By: charles <charles.cabergs@gmail.com> +#+ +:+ +#+ */ +/* +#+#+#+#+#+ +#+ */ +/* Created: 2020/05/12 15:47:45 by charles #+# #+# */ +/* Updated: 2020/05/12 17:21:06 by charles ### ########.fr */ +/* */ +/* ************************************************************************** */ + +#include "libftm_mat4.h" + +t_ftmmat4 *ftm_mat4init_frustum_sym(t_ftmmat4 *mat4, t_ftmfrustum_sym *frustum) +{ + t_ftmfrustum f; + + f.right = frustum->width / 2; + f.left = -f.right; + f.top = frustum->height / 2; + f.bottom = -f.top; + f.near = frustum->near; + f.far = frustum->far; + return (ftm_mat4init_frustum(mat4, &f)); +} diff --git a/vendor/libftm/src/mat4/ftm_mat4init_perspective.c b/vendor/libftm/src/mat4/ftm_mat4init_perspective.c new file mode 100644 index 0000000..f04b39e --- /dev/null +++ b/vendor/libftm/src/mat4/ftm_mat4init_perspective.c @@ -0,0 +1,25 @@ +/* ************************************************************************** */ +/* */ +/* ::: :::::::: */ +/* ftm_mat4init_perspective.c :+: :+: :+: */ +/* +:+ +:+ +:+ */ +/* By: charles <charles.cabergs@gmail.com> +#+ +:+ +#+ */ +/* +#+#+#+#+#+ +#+ */ +/* Created: 2020/05/12 16:54:49 by charles #+# #+# */ +/* Updated: 2020/05/12 19:07:45 by charles ### ########.fr */ +/* */ +/* ************************************************************************** */ + +#include "libftm_mat4.h" + +t_ftmmat4 *ftm_mat4init_perspective(t_ftmmat4 *mat4, float fov, float aspect_ratio, + float near, float far) +{ + t_ftmfrustum_sym frustum; + + frustum.near = near; + frustum.far = far; + frustum.width = 2.0 * (near / tanf(M_PI_2 - (fov / 2.0))); + frustum.height = frustum.width / aspect_ratio; + return (ftm_mat4init_frustum_sym(mat4, &frustum)); +} diff --git a/vendor/libftm/src/mat4/ftm_mat4init_proj.c b/vendor/libftm/src/mat4/ftm_mat4init_proj.c new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/vendor/libftm/src/mat4/ftm_mat4init_proj.c diff --git a/vendor/libftm/src/mat4/ftm_mat4rotate.c b/vendor/libftm/src/mat4/ftm_mat4rotate.c index 0a39c16..6d0432e 100644 --- a/vendor/libftm/src/mat4/ftm_mat4rotate.c +++ b/vendor/libftm/src/mat4/ftm_mat4rotate.c @@ -6,7 +6,7 @@ /* By: charles <charles.cabergs@gmail.com> +#+ +:+ +#+ */ /* +#+#+#+#+#+ +#+ */ /* Created: 2020/05/12 11:44:18 by charles #+# #+# */ -/* Updated: 2020/05/12 14:05:18 by charles ### ########.fr */ +/* Updated: 2020/05/12 17:07:23 by charles ### ########.fr */ /* */ /* ************************************************************************** */ @@ -46,8 +46,8 @@ t_ftmmat4 *ftm_mat4rotate(t_ftmmat4 *mat4, float theta, t_ftmvec3 *axis) x = axis->v[0]; y = axis->v[1]; z = axis->v[2]; - sin_t = sin(theta); - cos_t = cos(theta); + sin_t = sinf(theta); + cos_t = cosf(theta); ftm_mat4init_fill(&rot, 0.0); ftm_mat4set(&rot, 0, 0, cos_t + x * x * (1 - cos_t)); ftm_mat4set(&rot, 1, 0, y * x * (1 - cos_t) + z * sin_t); |