summaryrefslogtreecommitdiff
path: root/src/camera.c
diff options
context:
space:
mode:
authorsanine-a <sanine.not@pm.me>2020-10-18 12:10:48 -0500
committersanine-a <sanine.not@pm.me>2020-10-18 12:10:48 -0500
commit225167461d754b476b4fcc7726c492cc972ca654 (patch)
treed0a8060fe28a94b6fb24c002aa9744706e496b18 /src/camera.c
parent1bc1f216e5682cd7918240f37f3709b642e08e2b (diff)
clear out old files, add basic scripting
Diffstat (limited to 'src/camera.c')
-rw-r--r--src/camera.c137
1 files changed, 0 insertions, 137 deletions
diff --git a/src/camera.c b/src/camera.c
deleted file mode 100644
index 95636e9..0000000
--- a/src/camera.c
+++ /dev/null
@@ -1,137 +0,0 @@
-#include "include/camera.h"
-
-void honey_camera_new(honey_camera* camera,
- vec3 position,
- vec3 angle,
- enum honey_camera_projection projection_type,
- float aspect_ratio,
- float near, float far,
- float fov,
- float left, float right, float top, float bottom) {
- glm_vec3_copy(position, camera->position);
- glm_vec3_copy(angle, camera->angle);
-
- camera->projection_type = projection_type;
-
- camera->aspect_ratio = aspect_ratio;
- camera->near = near;
- camera->far = far;
-
- if (projection_type == HONEY_PERSPECTIVE) {
- camera->fov = fov;
- }
- else if (projection_type == HONEY_ORTHOGRAPHIC) {
- camera->ortho_left = left;
- camera->ortho_right = right;
- camera->ortho_top = top;
- camera->ortho_bottom = bottom;
- }
-
- honey_camera_calculate_view(camera);
- honey_camera_calculate_projection(camera);
-}
-
-/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
-
-void honey_camera_new_perspective(honey_camera* camera,
- vec3 position,
- vec3 angle,
- float aspect_ratio,
- float near, float far,
- float fov) {
- honey_camera_new(camera,
- position, angle,
- HONEY_PERSPECTIVE,
- aspect_ratio, near, far, fov,
- 0, 0, 0, 0);
-}
-
-/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
-
-void honey_camera_new_orthographic(honey_camera* camera,
- vec3 position,
- vec3 angle,
- float near, float far,
- float left, float right, float top, float bottom) {
- honey_camera_new(camera,
- position, angle,
- HONEY_ORTHOGRAPHIC,
- 0,
- near, far,
- 0,
- left, right, top, bottom);
-}
-
-/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
-
-void honey_camera_calculate_look_direction(honey_camera* camera) {
- float pitch = camera->angle[0];
- float yaw = camera->angle[1];
-
- float x = cos(pitch) * cos(yaw);
- float y = sin(pitch);
- float z = cos(pitch) * sin(yaw);
-
- camera->look_direction[0] = x;
- camera->look_direction[1] = y;
- camera->look_direction[2] = z;
-}
-
-/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
-
-void honey_camera_calculate_up(honey_camera* camera) {
- float pitch = camera->angle[0];
- float yaw = camera->angle[1];
- float roll = camera->angle[2];
-
- camera->up[0] = 0;
- camera->up[1] = 1;
- camera->up[2] = 0;
-
- mat3 rot3;
- mat4 rot4;
- glm_mat4_identity(rot4);
- glm_rotate(rot4, roll, camera->look_direction);
- glm_mat4_pick3(rot4, rot3);
-
- glm_mat3_mulv(rot3, camera->up, camera->up);
-}
-
-/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
-
-void honey_camera_calculate_right(honey_camera* camera) {
- glm_vec3_cross(camera->up, camera->look_direction, camera->right);
-}
-
-/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
-
-void honey_camera_calculate_view(honey_camera* camera) {
- honey_camera_calculate_look_direction(camera);
- honey_camera_calculate_up(camera);
- honey_camera_calculate_right(camera);
-
- glm_look(camera->position, camera->look_direction, camera->up, camera->view);
-}
-
-/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
-
-void honey_camera_calculate_projection(honey_camera* camera) {
- if (camera->projection_type == HONEY_PERSPECTIVE) {
- glm_mat4_identity(camera->projection);
- glm_perspective(camera->fov,
- camera->aspect_ratio,
- camera->near,
- camera->far,
- camera->projection);
- }
- else if (camera->projection_type == HONEY_ORTHOGRAPHIC) {
- glm_mat4_identity(camera->projection);
- glm_ortho(camera->ortho_left,
- camera->ortho_right,
- camera->ortho_bottom,
- camera->ortho_top,
- camera->near,
- camera->far,
- camera->projection);
- }
-}