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/*
* Copyright (c), Recep Aslantas.
*
* MIT License (MIT), http://opensource.org/licenses/MIT
* Full license can be found in the LICENSE file
*/
#include "test_common.h"
TEST_IMPL(GLM_PREFIX, ray_triangle) {
/* Check whether a simple hit is recognized with the right distance */
vec3 origin = { 0.0f, 0.0f, 0.0f};
vec3 direction = { 1.0f, 0.0f, 0.0f};
vec3 opposite = {-1.0f, 0.0f, 0.0f};
vec3 v0 = { 5.0f, -1.0f, 1.0f};
vec3 v1 = { 5.0f, -1.0f, -1.0f};
vec3 v2 = { 5.0f, 1.0f, 0.0f};
float d;
bool hit;
hit = GLM(ray_triangle)(origin, direction, v0, v1, v2, &d);
ASSERT(hit);
ASSERT(fabsf(d - 5.0f) <= 0.0000009);
/* Check whether a simple miss works */
hit = GLM(ray_triangle)(origin, opposite, v0, v1, v2, &d);
ASSERT(!hit);
/* Check that we can disregard distance and pass NULL pointer instead */
hit = GLM(ray_triangle)(origin, direction, v0, v1, v2, NULL);
ASSERT(hit);
TEST_SUCCESS
}
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