TEST(ChunkTests, InterpolatesNoiseInputsCorrectly) {
const unsigned VOXELS_PER_CHUNK = Units::chunkToVoxel(1);
DummyChunk ch1(0, 0, 0);
glm::vec3 v000(ch1.getNoiseModuleInput(glm::vec3(0, 0, 0)));
glm::vec3 v100(ch1.getNoiseModuleInput(glm::vec3(1, 0, 0)));
glm::vec3 v200(ch1.getNoiseModuleInput(glm::vec3(2, 0, 0)));
EXPECT_EQ(glm::vec3(0.0, 0.0, 0.0), v000);
EXPECT_EQ(glm::vec3(1.f / (float)VOXELS_PER_CHUNK, 0.0, 0.0), v100);
EXPECT_EQ(glm::vec3((1.f / (float)VOXELS_PER_CHUNK) * 2, 0.0, 0.0), v200);
}
void cObjectFactoryPlane::resizePlane(
float p_size_x,
float p_size_z
)
{
size_x = p_size_x;
size_z = p_size_z;
mass = 1.0f;
inv_mass = 1.0f;
int segments_x = 10;
int segments_z = 10;
// resize vertex list, 3 triangles
resizeTriangleList(2*segments_x*segments_z);
// compute size of one small plate
float psize_x = size_x / (float)segments_x;
float psize_z = size_z / (float)segments_z;
float phsize_x = psize_x*0.5f;
float phsize_z = psize_z*0.5f;
CVector<3,float> v000(-phsize_x, 0, -phsize_z);
CVector<3,float> v100(phsize_x, 0, -phsize_z);
CVector<3,float> v001(-phsize_x, 0, phsize_z);
CVector<3,float> v101(phsize_x, 0, phsize_z);
int triangle_iter = 0;
for (int seg_z = 0; seg_z < segments_z; seg_z++)
{
float z = -phsize_z*(float)(segments_z-1) + psize_z*(float)seg_z;
for (int seg_x = 0; seg_x < segments_x; seg_x++)
{
float x = -phsize_x*(float)(segments_x-1) + psize_x*(float)seg_x;
setTriangleDataVT(triangle_iter,
CVector<3,float>(-phsize_x+x, 0, phsize_z+z),
CVector<3,float>(phsize_x+x, 0, phsize_z+z),
CVector<3,float>(phsize_x+x, 0, -phsize_z+z),
CVector<2,float>(((float)(seg_x)/(float)segments_x), ((float)(seg_z+1)/(float)segments_z)),
CVector<2,float>(((float)(seg_x+1)/(float)segments_x), ((float)(seg_z+1)/(float)segments_z)),
CVector<2,float>(((float)(seg_x+1)/(float)segments_x), ((float)(seg_z)/(float)segments_z))
); triangle_iter++;
setTriangleDataVT(triangle_iter,
CVector<3,float>(phsize_x+x, 0, -phsize_z+z),
CVector<3,float>(-phsize_x+x, 0, -phsize_z+z),
CVector<3,float>(-phsize_x+x, 0, phsize_z+z),
CVector<2,float>(((float)(seg_x+1)/(float)segments_x), ((float)(seg_z)/(float)segments_z)),
CVector<2,float>(((float)(seg_x)/(float)segments_x), ((float)(seg_z)/(float)segments_z)),
CVector<2,float>(((float)(seg_x)/(float)segments_x), ((float)(seg_z+1)/(float)segments_z))
); triangle_iter++;
}
}
setTexcoordsValid(true);
computeTriangleFlatNormals();
setNormalsValid(true);
setupBoundingSphereRadius();
}
