60 lines
1.4 KiB
Odin
60 lines
1.4 KiB
Odin
package sectr
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/* Space
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Provides various definitions for converting from one standard of measurement to another.
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Provides constructs and transformations in reguards to space.
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Ultimately the user's window ppcm (pixels-per-centimeter) determins how all virtual metric conventions are handled.
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*/
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// The points to pixels and pixels to points are our only reference to accurately converting
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// an object from world space to screen-space.
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// This prototype engine will have all its spacial unit base for distances in virtual pixels.
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Inches_To_CM :: cast(f32) 2.54
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Points_Per_CM :: cast(f32) 28.3465
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CM_Per_Point :: cast(f32) 1.0 / DPT_DPCM
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CM_Per_Pixel :: cast(f32) 1.0 / DPT_PPCM
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DPT_DPCM :: cast(f32) 72.0 * Inches_To_CM // 182.88 points/dots per cm
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DPT_PPCM :: cast(f32) 96.0 * Inches_To_CM // 243.84 pixels per cm
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when ODIN_OS == .Windows {
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op_default_dpcm :: 72.0 * Inches_To_CM
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os_default_ppcm :: 96.0 * Inches_To_CM
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// 1 inch = 2.54 cm, 96 inch * 2.54 = 243.84 DPCM
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}
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AreaSize :: V2_F4
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Bounds2 :: struct {
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top_left, bottom_right: V2_F4,
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}
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BoundsCorners2 :: struct {
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top_left, top_right, bottom_left, bottom_right: V2_F4,
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}
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E2_F4 :: V2_F4
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E2_S4 :: V2_F4
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WS_Pos :: struct {
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tile_id : V2_S4,
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rel : V2_F4,
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}
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Camera :: struct {
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view : E2_F4,
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position : V2_F4,
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zoom : f32,
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}
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Camera_Default := Camera { zoom = 1 }
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CameraZoomMode :: enum u32 {
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Digital,
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Smooth,
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}
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Extents2_F4 :: V2_F4
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Extents2_S4 :: V2_S4
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