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fix flying camera movement

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This commit is contained in:
Dennis Eichhorn 2024-09-20 05:56:24 +02:00
parent fdfc778771
commit dc889e9e72
1 changed files with 27 additions and 56 deletions
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83
camera/Camera.h
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@ -48,7 +48,7 @@ camera_update_vectors2(Camera* camera)
camera->front.z = cosf(OMS_DEG2RAD(camera->orientation.x)) * sinf(OMS_DEG2RAD(camera->orientation.y));
vec3_normalize_f32(&camera->front);
vec3_cross(&camera->right, &camera->front, &camera->world_up); // @bug
vec3_cross(&camera->right, &camera->front, &camera->world_up);
vec3_normalize_f32(&camera->right);
vec3_cross(&camera->up, &camera->right, &camera->front);
@ -69,15 +69,13 @@ camera_update_vectors(Camera* camera)
vec3_normalize_f32(&camera->up);
}
// @bug up and down rotation is OK but left/right rotation is not what I would expect
void camera_rotate2(Camera* camera, float dx, float dy, float dt)
{
f32 velocity = camera->sensitivity; // @todo do we need dt?
f32 velocity = camera->sensitivity;
dx *= velocity;
dy *= velocity;
camera->orientation.x += dy;
camera->orientation.y += dx;
camera->orientation.x += dy * camera->sensitivity;
camera->orientation.y -= dx * camera->sensitivity;
if (true) {
if (camera->orientation.x > 89.0f) {
@ -86,8 +84,10 @@ void camera_rotate2(Camera* camera, float dx, float dy, float dt)
camera->orientation.x = -89.0f;
}
if (camera->orientation.y > 360.0f || camera->orientation.y < -360.0f) {
if (camera->orientation.y > 360.0f) {
camera->orientation.y -= 360.0f;
} else if (camera->orientation.y < -360.0f) {
camera->orientation.y += 360.0f;
}
}
@ -196,7 +196,7 @@ void camera_movement(Camera* camera, CameraMovement* movement, float dt, bool re
v3_f32 forward = camera->front;
v3_f32 right;
vec3_cross(&right, &forward, &camera->world_up);
vec3_cross(&right, &camera->world_up, &forward);
vec3_normalize_f32(&right);
v3_f32 up;
@ -384,60 +384,31 @@ camera_view_matrix_sparse_rh(const Camera* __restrict camera, float* __restrict
{
// We are skipping some things because some things either get neutralized
// (e.g. position - (position + front), other values are already normalized (e.g. front)
v3_f32 f = { -camera->front.x, -camera->front.y, -camera->front.z };
v3_f32 zaxis = { -camera->front.x, -camera->front.y, -camera->front.z };
v3_f32 s;
vec3_cross(&s, &f, &camera->up);
vec3_normalize_f32(&s);
v3_f32 xaxis;
vec3_cross(&xaxis, &zaxis, &camera->world_up);
vec3_normalize_f32(&xaxis);
v3_f32 u;
vec3_cross(&u, &s, &f);
v3_f32 yaxis;
vec3_cross(&yaxis, &zaxis, &xaxis);
view[0] = s.x;
view[1] = s.y;
view[2] = s.z;
view[0] = xaxis.x;
view[1] = yaxis.x;
view[2] = zaxis.x;
view[3] = 0.0f;
view[4] = u.x;
view[5] = u.y;
view[6] = u.z;
view[4] = xaxis.y;
view[5] = yaxis.y;
view[6] = zaxis.y;
view[7] = 0.0f;
view[8] = f.x;
view[9] = f.y;
view[10] = f.z;
view[8] = xaxis.z;
view[9] = yaxis.z;
view[10] = zaxis.z;
view[11] = 0;
view[12] = -vec3_dot(&s, &camera->location);
view[13] = -vec3_dot(&u, &camera->location);
view[14] = vec3_dot(&f, &camera->location);
view[12] = -vec3_dot(&xaxis, &camera->location);
view[13] = -vec3_dot(&yaxis, &camera->location);
view[14] = -vec3_dot(&zaxis, &camera->location);
view[15] = 1.0f;
}
void
camera_view_right_handed2(float* view)
{
// Translation part
view[12] = view[3];
view[13] = view[7];
view[14] = view[11];
view[15] = 1.0f; // @todo could be removed
float temp;
temp = view[1];
view[1] = view[4];
view[4] = temp;
temp = view[2];
view[2] = view[8];
view[8] = -temp;
view[3] = 0.0f; // @todo could be removed
temp = view[6];
view[6] = view[9];
view[9] = -temp;
view[7] = 0.0f; // @todo could be removed
view[10] = -view[10];
view[11] = 0.0f; // @todo could be removed
}
#endif