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This commit is contained in:
gingerBill
2021-11-04 14:25:34 +00:00
parent a882118c56
commit eb05879148
1 changed files with 16 additions and 12 deletions
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core/math/linalg/glsl/linalg_glsl.odin
+16 -12
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@@ -3,22 +3,23 @@ package math_linalg_glsl
import "core:builtin" import "core:builtin"
TAU :: 6.28318530717958647692528676655900576 TAU :: 6.28318530717958647692528676655900576
PI :: 3.14159265358979323846264338327950288 PI :: 3.14159265358979323846264338327950288
E :: 2.71828182845904523536 E :: 2.71828182845904523536
τ :: TAU τ :: TAU
π :: PI π :: PI
e :: E e :: E
SQRT_TWO :: 1.41421356237309504880168872420969808 SQRT_TWO :: 1.41421356237309504880168872420969808
SQRT_THREE :: 1.73205080756887729352744634150587236 SQRT_THREE :: 1.73205080756887729352744634150587236
SQRT_FIVE :: 2.23606797749978969640917366873127623 SQRT_FIVE :: 2.23606797749978969640917366873127623
LN2 :: 0.693147180559945309417232121458176568 LN2 :: 0.693147180559945309417232121458176568
LN10 :: 2.30258509299404568401799145468436421 LN10 :: 2.30258509299404568401799145468436421
F32_EPSILON :: 1e-7 F32_EPSILON :: 1e-7
// Odin matrices are stored internally as Column-Major, which matches OpenGL/GLSL by default
mat2 :: distinct matrix[2, 2]f32 mat2 :: distinct matrix[2, 2]f32
mat3 :: distinct matrix[3, 3]f32 mat3 :: distinct matrix[3, 3]f32
mat4 :: distinct matrix[4, 4]f32 mat4 :: distinct matrix[4, 4]f32
@@ -26,7 +27,10 @@ mat2x2 :: mat2
mat3x3 :: mat3 mat3x3 :: mat3
mat4x4 :: mat4 mat4x4 :: mat4
// Should this be renamed the other way around? // IMPORTANT NOTE: These data types are "backwards" in normal mathematical terms
// but they match how GLSL and OpenGL defines them in name
// Odin: matrix[R, C]f32
// GLSL: matCxR
mat3x2 :: distinct matrix[2, 3]f32 mat3x2 :: distinct matrix[2, 3]f32
mat4x2 :: distinct matrix[2, 4]f32 mat4x2 :: distinct matrix[2, 4]f32
mat2x3 :: distinct matrix[3, 2]f32 mat2x3 :: distinct matrix[3, 2]f32