71 lines
1.5 KiB
Odin
71 lines
1.5 KiB
Odin
// General mathematical constructions used for the prototype
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package sectr
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Axis2 :: enum i32 {
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Invalid = -1,
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X = 0,
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Y = 1,
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Count,
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}
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is_power_of_two_u32 :: #force_inline proc "contextless" ( value : u32 ) -> b32
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{
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return value != 0 && ( value & ( value - 1 )) == 0
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}
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mov_avg_exp_f32 := #force_inline proc "contextless" ( alpha, delta_interval, last_value : f32 ) -> f32
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{
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result := (delta_interval * alpha) + (delta_interval * (1.0 - alpha))
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return result
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}
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mov_avg_exp_f64 := #force_inline proc "contextless" ( alpha, delta_interval, last_value : f64 ) -> f64
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{
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result := (delta_interval * alpha) + (delta_interval * (1.0 - alpha))
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return result
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}
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import "core:math/linalg"
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Vec2 :: linalg.Vector2f32
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Vec3 :: linalg.Vector3f32
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Vec2i :: [2]i32
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Vec3i :: [3]i32
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Range2 :: struct #raw_union{
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using min_max : struct {
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min, max : Vec2
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},
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using pts : struct {
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p0, p1 : Vec2
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},
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using xy : struct {
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x0, y0 : f32,
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x1, y1 : f32,
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},
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}
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range2 :: #force_inline proc "contextless" ( a, b : Vec2 ) -> Range2 {
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result := Range2 { pts = { a, b } }
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return result
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}
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add_range2 :: #force_inline proc "contextless" ( a, b : Range2 ) -> Range2 {
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result := Range2 { pts = {
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a.p0 + b.p0,
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a.p1 + b.p1,
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}}
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return result
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}
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equal_range2 :: #force_inline proc "contextless" ( a, b : Range2 ) -> b32 {
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result := a.p0 == b.p0 && a.p1 == b.p1
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return b32(result)
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}
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size_range2 :: #force_inline proc "contextless" ( value : Range2 ) -> Vec2 {
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return { value.p1.x - value.p0.x, value.p0.y - value.p1.y }
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}
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