mitchellhansen/voxel-raycaster
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There we go! The raycaster now has a camera that renders without distortion and can be pitched, yawed, and moved on the XYZ axis. I'm not sure now if I want to: Add lighting, improve performance, or start working on porting it to OpenCL

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mitchellhansen
2016-08-03 22:29:31 -07:00
parent 7829316625
commit 14987e3ba7
5 changed files with 46 additions and 21 deletions
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21
src/Ray.cpp
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@@ -38,17 +38,17 @@ sf::Color Ray::Cast() {
// Delta T is the units a ray must travel along an axis in order to
// traverse an integer split
delta_t = sf::Vector3<float>(
fabsf(1.0f / direction.x),
fabsf(1.0f / direction.y),
fabsf(1.0f / direction.z)
fabsf(1.0f / direction.x),
fabsf(1.0f / direction.y),
fabsf(1.0f / direction.z)
);
// Intersection T is the collection of the next intersection points
// for all 3 axis XYZ.
intersection_t = sf::Vector3<float>(
delta_t.x + origin.x,
delta_t.y + origin.y,
delta_t.z + origin.z
delta_t.x,
delta_t.y,
delta_t.z
);
int dist = 0;
@@ -99,7 +99,8 @@ sf::Color Ray::Cast() {
}
// If we hit a voxel
switch (map->list[voxel.x + dimensions.x * (voxel.y + dimensions.z * voxel.z)]) {
int index = voxel.x + dimensions.x * (voxel.y + dimensions.z * voxel.z);
switch (map->list[index]) {
case 1:
return sf::Color::Red;
case 2:
@@ -107,11 +108,11 @@ sf::Color Ray::Cast() {
case 3:
return sf::Color::Yellow;
case 4:
return sf::Color(40, 230, 96, 200);
return sf::Color(80, 0, 150, 255);
case 5:
return sf::Color(80, 120, 96, 100);
return sf::Color(255, 120, 255, 255);
case 6:
return sf::Color(150, 80, 220, 200);
return sf::Color(150, 80, 220, 255);
}
dist++;