Function lib_common_acos

src/CommonLibrary.cpp:829–850

trigonometry */

		/* trigonometry */
		bv_variable lib_common_acos(bv_program* prog, u8 count, bv_variable* args)
		{
			/* acos(genType) */
			if (count == 1) {
				if (args[0].type == bv_type_object) { // acos(vec3), ...
					bv_object* vec = bv_variable_get_object(args[0]);
					glm::vec4 vecData = glm::acos(sd::AsVector<4, float>(args[0])); // acos takes only float vectors

					bv_variable ret = Common::create_vec(prog, bv_type_float, vec->type->props.name_count);
					bv_object* retObj = bv_variable_get_object(ret);

					for (u16 i = 0; i < retObj->type->props.name_count; i++)
						retObj->prop[i] = bv_variable_create_float(vecData[i]);

					return ret;
				}
				else // acos(scalar)
					return bv_variable_create_float(glm::acos(bv_variable_get_float(bv_variable_cast(bv_type_float, args[0]))));
			}

			return bv_variable_create_float(0.0f); // acos() must have 1 argument!
		}
		bv_variable lib_common_asin(bv_program* prog, u8 count, bv_variable* args)
		{
			/* asin(genType) */