48 lines
988 B
C++
48 lines
988 B
C++
#pragma once
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#include "directxmath/directxmath.h"
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namespace view {
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struct view_state {
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// positions
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XMVECTOR eye;
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XMVECTOR at;
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// vectors
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XMVECTOR up;
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XMVECTOR forward;
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XMVECTOR normal; // cross(forward, up)
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XMVECTOR direction; // rotationaxis(forward, pitch)
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// angles
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float fov;
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float pitch;
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// transforms
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XMMATRIX projection_transform;
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XMMATRIX view_transform;
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XMMATRIX transform;
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// transform views
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XMFLOAT4X4 float_transform;
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};
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extern view_state state;
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namespace first_person {
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void apply_transform(float forward, float strafe, float elevation,
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float delta_yaw, float delta_pitch);
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}
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namespace third_person {
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XMVECTOR apply_transform(float forward, float strafe, float elevation,
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float delta_yaw, float delta_pitch);
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}
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void apply_fov(float delta);
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void update_transforms();
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void load();
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const float at_distance = 10;
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}
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