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authorTavian Barnes <tavianator@gmail.com>2009-07-02 18:12:32 +0000
committerTavian Barnes <tavianator@gmail.com>2009-07-02 18:12:32 +0000
commitb6b0a35495383b64a92e9d4c9391b4a4683a7b7e (patch)
tree885d7664cd84bd60ff7841dde1bae01849ba29a8 /tests/tests.c
parent634bb3ca825dc6659f03a3013694c5c7b64460e8 (diff)
downloaddimension-b6b0a35495383b64a92e9d4c9391b4a4683a7b7e.tar.xz
New dmnsn_new_default_scene() function in libdimension-tests.
Diffstat (limited to 'tests/tests.c')
-rw-r--r--tests/tests.c99
1 files changed, 99 insertions, 0 deletions
diff --git a/tests/tests.c b/tests/tests.c
index 0816c5d..4469666 100644
--- a/tests/tests.c
+++ b/tests/tests.c
@@ -20,6 +20,105 @@
#include "tests.h"
+dmnsn_scene *
+dmnsn_new_default_scene()
+{
+ dmnsn_scene *scene;
+ dmnsn_object *sphere, *cube;
+ dmnsn_matrix trans;
+ dmnsn_sRGB sRGB;
+ dmnsn_color color;
+
+ /* Allocate our new scene */
+ scene = dmnsn_new_scene();
+ if (!scene) {
+ return NULL;
+ }
+
+ /* Background color */
+ sRGB.R = 0.0;
+ sRGB.G = 0.0;
+ sRGB.B = 0.1;
+ color = dmnsn_color_from_sRGB(sRGB);
+ color.filter = 0.1;
+ scene->background = color;
+
+ /* Allocate a canvas */
+ scene->canvas = dmnsn_new_canvas(768, 480);
+ if (!scene->canvas) {
+ dmnsn_delete_scene(scene);
+ return NULL;
+ }
+
+ /* Set up the transformation matrix for the perspective camera */
+ trans = dmnsn_scale_matrix(
+ dmnsn_vector_construct(
+ ((double)scene->canvas->x)/scene->canvas->y, 1.0, 1.0
+ )
+ );
+ trans = dmnsn_matrix_mul(
+ dmnsn_translation_matrix(dmnsn_vector_construct(0.0, 0.0, -4.0)),
+ trans
+ );
+ trans = dmnsn_matrix_mul(
+ dmnsn_rotation_matrix(dmnsn_vector_construct(0.0, 1.0, 0.0)),
+ trans
+ );
+
+ /* Create a perspective camera */
+ scene->camera = dmnsn_new_perspective_camera(trans);
+ if (!scene->camera) {
+ dmnsn_delete_canvas(scene->canvas);
+ dmnsn_delete_scene(scene);
+ return NULL;
+ }
+
+ /* Now make our objects */
+
+ sphere = dmnsn_new_sphere();
+ if (!sphere) {
+ dmnsn_delete_perspective_camera(scene->camera);
+ dmnsn_delete_canvas(scene->canvas);
+ dmnsn_delete_scene(scene);
+ return NULL;
+ }
+
+ sphere->trans = dmnsn_matrix_inverse(
+ dmnsn_scale_matrix(dmnsn_vector_construct(1.25, 1.25, 1.25))
+ );
+ dmnsn_array_push(scene->objects, &sphere);
+
+ cube = dmnsn_new_cube();
+ if (!cube) {
+ dmnsn_delete_sphere(sphere);
+ dmnsn_delete_perspective_camera(scene->camera);
+ dmnsn_delete_canvas(scene->canvas);
+ dmnsn_delete_scene(scene);
+ return NULL;
+ }
+
+ cube->trans = dmnsn_matrix_inverse(
+ dmnsn_rotation_matrix(dmnsn_vector_construct(0.75, 0.0, 0.0))
+ );
+ dmnsn_array_push(scene->objects, &cube);
+
+ return scene;
+}
+
+void
+dmnsn_delete_default_scene(dmnsn_scene *scene)
+{
+ dmnsn_object *sphere, *cube;
+ dmnsn_array_get(scene->objects, 0, &sphere);
+ dmnsn_array_get(scene->objects, 1, &cube);
+
+ dmnsn_delete_cube(cube);
+ dmnsn_delete_sphere(sphere);
+ dmnsn_delete_perspective_camera(scene->camera);
+ dmnsn_delete_canvas(scene->canvas);
+ dmnsn_delete_scene(scene);
+}
+
/* XIfEvent callback */
static Bool
WaitForNotify(Display *d, XEvent *e, char *arg)