53 lines
1.3 KiB
Lua
53 lines
1.3 KiB
Lua
local ffi = require("ffi")
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local C = ffi.C
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local math3d = {}
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function math3d.mat4_identity()
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return C.pxl8_mat4_identity()
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end
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function math3d.mat4_mul(a, b)
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return C.pxl8_mat4_mul(a, b)
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end
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function math3d.mat4_translate(x, y, z)
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return C.pxl8_mat4_translate(x, y, z)
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end
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function math3d.mat4_rotate_x(angle)
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return C.pxl8_mat4_rotate_x(angle)
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end
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function math3d.mat4_rotate_y(angle)
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return C.pxl8_mat4_rotate_y(angle)
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end
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function math3d.mat4_rotate_z(angle)
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return C.pxl8_mat4_rotate_z(angle)
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end
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function math3d.mat4_scale(x, y, z)
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return C.pxl8_mat4_scale(x, y, z)
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end
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function math3d.mat4_ortho(left, right, bottom, top, near, far)
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return C.pxl8_mat4_ortho(left, right, bottom, top, near, far)
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end
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function math3d.mat4_perspective(fov, aspect, near, far)
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return C.pxl8_mat4_perspective(fov, aspect, near, far)
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end
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function math3d.mat4_lookat(eye, center, up)
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local eye_vec = ffi.new("pxl8_vec3", {x = eye[1], y = eye[2], z = eye[3]})
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local center_vec = ffi.new("pxl8_vec3", {x = center[1], y = center[2], z = center[3]})
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local up_vec = ffi.new("pxl8_vec3", {x = up[1], y = up[2], z = up[3]})
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return C.pxl8_mat4_lookat(eye_vec, center_vec, up_vec)
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end
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function math3d.bounds(x, y, w, h)
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return ffi.new("pxl8_bounds", {x = x, y = y, w = w, h = h})
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end
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return math3d
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