mitchellhansen/voxel-raycaster
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Fixed the camera coords in the view matrix. Tweaked cam position in kernel, odd off by one error.

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MitchellHansen
2017-01-01 17:23:23 -08:00
parent bb9fab6305
commit f8be952a9b
2 changed files with 17 additions and 13 deletions
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8
src/Hardware_Caster.cpp
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@@ -132,7 +132,6 @@ void Hardware_Caster::create_viewport(int width, int height, float v_fov, float
static_cast<float>(ray.z * cos(y_increment_radians * y) - ray.x * sin(y_increment_radians * y))
);
// Z axis, yaw
ray = sf::Vector3f(
static_cast<float>(ray.x * cos(x_increment_radians * x) - ray.y * sin(x_increment_radians * x)),
@@ -140,6 +139,13 @@ void Hardware_Caster::create_viewport(int width, int height, float v_fov, float
static_cast<float>(ray.z)
);
// correct for the base ray pointing to (1, 0, 0) as (0, 0). Should equal (1.57, 0)
ray = sf::Vector3f(
static_cast<float>(ray.z * sin(-1.57) + ray.x * cos(-1.57)),
static_cast<float>(ray.y),
static_cast<float>(ray.z * cos(-1.57) - ray.x * sin(-1.57))
);
int index = (x + view_res.x / 2) + view_res.x * (y + view_res.y / 2);
ray = Normalize(ray);