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41 lines
1.2 KiB
C++
41 lines
1.2 KiB
C++
// HARFANG(R) Copyright (C) 2021 Emmanuel Julien, NWNC HARFANG. Released under GPL/LGPL/Commercial Licence, see licence.txt for details.
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#include "foundation/math.h"
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#include "foundation/matrix3.h"
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#include "foundation/time.h"
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#include "foundation/vector3.h"
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#include "platform/input_system.h"
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namespace hg {
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void FpsController(bool key_up, bool key_down, bool key_left, bool key_right, bool btn, float dx, float dy, Vec3 &pos, Vec3 &rot, float speed, time_ns dt_t) {
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const auto world = RotationMat3(rot.x, rot.y, rot.z);
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const auto right = GetX(world), front = GetZ(world);
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Vec3 dt{};
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if (key_up)
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dt += front;
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else if (key_down)
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dt -= front;
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if (key_left)
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dt -= right;
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else if (key_right)
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dt += right;
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pos += dt * speed * time_to_sec_f(dt_t);
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if (btn) {
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rot += {-dy * 0.005f, dx * 0.005f, 0.f};
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rot.x = Wrap(rot.x, -Pi, Pi);
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}
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}
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void FpsController(const Keyboard &keyboard, const Mouse &mouse, Vec3 &pos, Vec3 &rot, float speed, time_ns dt_t) {
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FpsController(keyboard.Down(K_Up) || keyboard.Down(K_W), keyboard.Down(K_Down) || keyboard.Down(K_S), keyboard.Down(K_Left) || keyboard.Down(K_A),
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keyboard.Down(K_Right) || keyboard.Down(K_D), mouse.Down(0), float(mouse.DtX()), float(mouse.DtY()), pos, rot, speed, dt_t);
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}
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} // namespace hg
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