From 3ec26ddd28cbcc279a4fa65de8d68c68b3950576 Mon Sep 17 00:00:00 2001 From: Tavian Barnes Date: Wed, 13 Jul 2011 13:47:17 -0600 Subject: Implement triangles. --- libdimension/tests/render.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) (limited to 'libdimension/tests') diff --git a/libdimension/tests/render.c b/libdimension/tests/render.c index 04897d6..a9d20d7 100644 --- a/libdimension/tests/render.c +++ b/libdimension/tests/render.c @@ -190,6 +190,39 @@ dmnsn_new_test_scene(void) ); dmnsn_array_push(scene->objects, &spike); + /* Triangle strip */ + + dmnsn_array *strip_array = dmnsn_new_array(sizeof(dmnsn_object *)); + dmnsn_vector a = dmnsn_zero; + dmnsn_vector b = dmnsn_new_vector(0.0, sqrt(3.0)/2.0, 0.5); + dmnsn_vector c = dmnsn_z; + dmnsn_texture *strip_textures[3] = { + dmnsn_new_texture(), + dmnsn_new_texture(), + dmnsn_new_texture(), + }; + strip_textures[0]->pigment = dmnsn_new_solid_pigment(dmnsn_red); + strip_textures[1]->pigment = dmnsn_new_solid_pigment(dmnsn_orange); + strip_textures[2]->pigment = dmnsn_new_solid_pigment(dmnsn_yellow); + for (unsigned int i = 0; i < 128; ++i) { + dmnsn_object *triangle = dmnsn_new_triangle(a, b, c); + triangle->texture = strip_textures[i%3]; + DMNSN_INCREF(triangle->texture); + dmnsn_array_push(strip_array, &triangle); + + a = b; + b = c; + c = dmnsn_vector_add(a, dmnsn_z); + } + for (unsigned int i = 0; i < 3; ++i) { + dmnsn_delete_texture(strip_textures[i]); + } + + dmnsn_object *strip = dmnsn_new_csg_union(strip_array); + dmnsn_delete_array(strip_array); + strip->trans = dmnsn_translation_matrix(dmnsn_new_vector(5.0, -2.0, -4.0)); + dmnsn_array_push(scene->objects, &strip); + dmnsn_object *plane = dmnsn_new_plane(dmnsn_new_vector(0.0, 1.0, 0.0)); plane->trans = dmnsn_translation_matrix(dmnsn_new_vector(0.0, -2.0, 0.0)); dmnsn_pattern *checker1 = dmnsn_new_checker_pattern(); -- cgit v1.2.3