I dont know why but I couldn't stop having -Z be forward so in the end I had to flip the Z axis for any translation and I probably fucked something up somewhere but I couldn't figure it out and i ran out of patience 🙃
Ok I guess I was assuming XNA and DirectX used the same handedness but apparently XNA is right handed even though DirectX is left handed and I'd like to take this opportunity to ask *what the fuck*
So if I want +Z to be forward I have to flip the axis in the renderer? That's obnoxious. But better than -Z being forward in world space since that would confuse the shit out of players

ok one more before i head to bed just to show that it can do more interesting things than just large rectangles made up of smaller cubes

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terraim
doit

so @Farbs said something about beveling the edges in my block game and that got me thinking and looking at some old 2D terrain art i did

i'm thinking i may stray from minecraft's aesthetics a bit and use this as a sort of style guide

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okay so this may seem a little unorthodox but bear with me here

what if

shell texturing in block game

Can't decide if using shell texturing is a great idea or a stupid idea
i feel like i could soften the terrain significantly through no more than normals along the edges of blocks so i made this mockup in photoshop and i think this could actually work?
corners would still look kinda pointy but ¯\_(ツ)_/¯

quick generating caves test

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if i kind of artfully place the camera to cut out the cornflower blue void surrounding this tiny chunk of terrain on all sides its almost starting to look like a real game :D
trying to add a faux edge bevel through normals and actual lighting equations is proving extremely challenging and i'm starting to give serious thought to manually baking the lighting into the textures

after endless futzing about and tweaking i think i have something that may just be workable for this faux bevel effect i want

(note that there's a "bevel" between adjacent blocks cause i haven't made the effect dependent on the block's neighbors yet)

I dunno I'm just not feeling the actual lighting model. Its not like minecraft exactly has realistic lighting anyway: blocks are lit from two opposite sides!

But the problem with baked lighting is if you have non symmetrical blocks you have to make 4 versions of each face to get all the lighting. Not that that's super onerous

Also if I made something like a lectern that would be a lot of work to do manually for each orientation

On the other hand when I made isometric games I'd have to make two of everything to get the lighting right and I didn't mind that so much so maybe I'm overthinking it

ok i figured out a reasonable way to fudge the normals so i won't have to manually bake lighting. basically what i do is set the normals of the edges so that they point towards where the adjacent faces are pointing (90 degree bend) and then i lerp from the face's lighting factor to the neighbor's lighting factor

that gives me the result on the left. i tried just having regular, actual normals, but it creates artifacts like on the right (its accurate that it shades it like that but it looks bad)

i was worried the corners would look too sharp without modification but honestly the smooth gradient does a great job without blunting the corners
took all day but i've optimized the vertex format for blocks *and* implemented auto-bevelled terrain. shown without textures to make the bevelling clearer

here's a gif of the textured terrain toggling the faux bevel effect on and off to really show how it softens the terrain. i'm really pleased with this

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doing a side by side with my style guide i think i'm getting there. i'll probably wanna do some fancier color grading on the lighting though, and i want outlines, but the soft rounded feel of the terrain is definitely there now even though its still all cubes

i've brought back the grass, which is actually an obj model

see i made an engine before and appropriated it for this project. it could load obj models (with normal maps) so at first the blocks in my world were actually loaded from obj models

that's why i had to redo a buncha stuff to add the bevelling, since i had to generate the faces myself

I should probably start linking up chunks before I do much else so I don't wind up having to deal with a ton of "this block's neighbor is in another chunk" situations later

had a silly idea for block outlines using the bevel system. i take the dot product of the vector from the camera to the world position with the normal to determine if the bevel normal is pointing away from the camera, then add an outline based on that. there's some outlines where they don't belong but i can get easily rid of those

... i don't hate it? 🤔

yeah i'm happy with these terrain outlines for now

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another few shots of the new outline tech

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lol the outlining has more than doubled the code in my fragment shader

texturing, lighting, and bevelling: 12 lines of code

just doing outlines: 19 lines of code

Not to pat myself on the back too hard but it's really nice how good this is turning out, like, aesthetically. It's not exactly trivial to make graphics look good when you only have a single 16x16 texture >_>

On the other hand I guess it would be fair to say these graphics are looking a little...... muddy

Eh? Eh? Eh? :D

i'm commander shepherd and this is my favorite spot on the citadel

(seriously i cannot get enough of looking at this particular subsection of a screenshot i took of the outlines in my voxel engine)

captured a little fly through video for y'all. i can seriously just fly around this one chunk for 10-15 mins at a time enjoying the aesthetics :D

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debating what i wanna do with grass in my engine. atm i have a block shader, and a model shader. i feel like i could efficiently implement shell textured grass by making a shell texturing shader, but i also don't want to balloon the number of different shaders i need to render all my terrain 🤔

i could just use the model shader, but it becomes a pain in the ass to implement shell textured terrain then

i could try and combine it with the block shader but they both do really different things

hmm if i want to add bits to the shell texturing so it doesn't look bad viewed side-on i kinda have to go the model route

though i figured out i can get away with only 6 variations to get all the edge transitions 🤔 that could be doable if a bit annoying

i'm overthinking the grass thing so i've made the textures required to make the shells for a 16-tile transition and i'll just generate the model for each of those 16 and implement them in the engine and move on so i don't wind up blocked by choice paralysis

if i want i can always just change it later

hell yeah, grassy voxels

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here it is compared to my style guide image. how did i do, chat?

i probably wanna pull the grass away from the edge a bit more because it obscures the outlines, but i'm pretty happy with this overall

At the moment the wild grass is actually a block on top of the dirt (like carpets in minecraft) but I'm thinking maybe I should change it so that the grass is part of the dirt block that sticks out above it as it were. That way things can occupy the same block as the grass without deleting it, like shrubs, flowers, or other non-opaque blocks

here's another close up i really enjoyed of the terrain in my block game

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@eniko Looks really nice! Maybe make the grass occupy a bit more than a face? Right now it looks a bit like a moss carpet 😅

@lisyarus you mean like droop over the edge? That's pretty complex actually

Also I like the moss carpet look >_>

@eniko Yeah, something like that.

Ha-ha, got it, then!

@lisyarus I did consider it but if I did that then the grass would push into the block above, but also along the side, and along the top side, and so that's a ton of extra logic to handle all of that and I'm just not sure it'd be worth the headache
@lisyarus oh and I'd want to bevel the edges and add outlines but those systems are for blocks and these are models so no idea how I could do that