chrisbell/odin-raylib-game
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Fixed a lot of bad math causing issues in negative chunks

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Chris Bell
2025-03-02 13:33:43 -06:00
parent cc339b9389
commit bd2130dfa0
5 changed files with 110 additions and 82 deletions
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32
game/world.odin
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@@ -5,6 +5,7 @@ import "core:fmt"
import "core:os"
import "core:path/filepath"
import "core:mem"
import "core:math"
CELL_SIZE :: 16
CHUNK_SIZE :: 32
@@ -173,24 +174,37 @@ get_chunk_from_world_pos :: proc(w:^World, pos:rl.Vector2) -> ^Chunk {
}
world_pos_to_chunk_pos :: proc(pos:rl.Vector2) -> Vec2i {
chunk_pos := vec2_to_vec2i({pos.x / CHUNK_SIZE, pos.y / CHUNK_SIZE})
return chunk_pos
x := int(math.floor(pos.x / CHUNK_SIZE))
y := int(math.floor(pos.y / CHUNK_SIZE))
return Vec2i{x,y}
}
get_local_chunk_pos :: proc(pos:Vec2i) -> Vec2i {
return Vec2i {
(pos.x % CHUNK_SIZE + CHUNK_SIZE) % CHUNK_SIZE,
(pos.y % CHUNK_SIZE + CHUNK_SIZE) % CHUNK_SIZE,
}
x := (pos.x % CHUNK_SIZE + CHUNK_SIZE) % CHUNK_SIZE
y := (pos.y % CHUNK_SIZE + CHUNK_SIZE) % CHUNK_SIZE
return Vec2i{x,y}
}
get_world_tile :: proc(w:^World, pos:Vec2i) -> ^Tile {
chunk_pos := world_pos_to_chunk_pos(vec2i_to_vec2(pos))
local_pos := get_local_chunk_pos(pos)
chunk_x := int(math.floor(f32(pos.x) / f32(CHUNK_SIZE)))
chunk_y := int(math.floor(f32(pos.y) / f32(CHUNK_SIZE)))
chunk_pos := Vec2i{chunk_x, chunk_y}
local_x := (pos.x % CHUNK_SIZE + CHUNK_SIZE) % CHUNK_SIZE
local_y := (pos.y % CHUNK_SIZE + CHUNK_SIZE) % CHUNK_SIZE
local_pos := Vec2i{local_x, local_y}
chunk := get_chunk(w, chunk_pos)
return get_chunk_tile(chunk, local_pos)
// chunk_pos := world_pos_to_chunk_pos(vec2i_to_vec2(pos))
// local_pos := get_local_chunk_pos(pos)
//
// chunk := get_chunk(w, chunk_pos)
// return get_chunk_tile(chunk, local_pos)
}
get_chunk_tile :: proc(c:^Chunk, pos:Vec2i) -> ^Tile {