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https://github.com/MaSzyna-EU07/maszyna.git
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61 lines
1.7 KiB
C++
61 lines
1.7 KiB
C++
#include "stdafx.h"
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#include "utilities/headtrack.h"
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#include "utilities/Globals.h"
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headtrack::headtrack() = default;
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void headtrack::find_joy() {
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for (size_t i = GLFW_JOYSTICK_1; i <= GLFW_JOYSTICK_LAST; i++) {
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if (!glfwJoystickPresent(static_cast<int>(i)))
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continue;
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std::string name(glfwGetJoystickName(static_cast<int>(i)));
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if (name == Global.headtrack_conf.joy) {
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joy_id = static_cast<int>(i);
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return;
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}
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}
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joy_id = -1;
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}
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float headtrack::get_axis(const float *data, int count, int axis, float mul) {
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if (axis < 0)
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return 0.0f;
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if (axis >= count)
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return 0.0f;
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return data[axis] * mul;
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}
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void headtrack::update()
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{
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if (joy_id == -1 || !glfwJoystickPresent(joy_id)) {
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Global.viewport_move = glm::vec3();
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Global.viewport_rotate = glm::mat3();
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find_joy();
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return;
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}
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int count;
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const float* axes = glfwGetJoystickAxes(joy_id, &count);
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auto const &move_axes = Global.headtrack_conf.move_axes;
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auto const &rot_axes = Global.headtrack_conf.rot_axes;
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auto const &move_mul = Global.headtrack_conf.move_mul;
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auto const &rot_mul = Global.headtrack_conf.rot_mul;
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glm::vec3 move;
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move.x = get_axis(axes, count, move_axes.x, move_mul.x);
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move.y = get_axis(axes, count, move_axes.y, move_mul.y);
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move.z = get_axis(axes, count, move_axes.z, move_mul.z);
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glm::vec3 rotate;
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rotate.x = get_axis(axes, count, rot_axes.x, rot_mul.x);
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rotate.y = get_axis(axes, count, rot_axes.y, rot_mul.y);
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rotate.z = get_axis(axes, count, rot_axes.z, rot_mul.z);
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Global.viewport_move = move;
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Global.viewport_rotate = glm::orientate3(rotate);
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}
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