74 lines
1.8 KiB
Zig
74 lines
1.8 KiB
Zig
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const std = @import("std");
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const expect = std.testing.expect;
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pub fn Vec3(comptime T: type) type {
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return struct {
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const Self = @This();
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x: T,
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y: T,
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z: T,
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pub fn init(this: *Self, x: T, y: T, z: T) void {
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this.x = x;
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this.y = y;
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this.z = z;
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}
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pub fn print(this: Self) !void {
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const writer = std.io.getStdOut().writer();
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try writer.print("({d}, {d}, {d})", .{this.x, this.y, this.x});
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}
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pub fn add(this: *Self, other: Self) void {
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this.x = this.x + other.x;
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this.y = this.y + other.y;
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this.z = this.z + other.z;
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}
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pub fn sub(this: *Self, other: Self) void {
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this.x = this.x - other.x;
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this.y = this.y - other.y;
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this.z = this.z - other.z;
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}
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pub fn mul(this: *Self, scal: T) void {
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this.x = this.x * scal;
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this.y = this.y * scal;
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this.z = this.z * scal;
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}
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pub fn prod(this: Self, other: Self) T {
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return (this.x * other.x) + (this.y * other.y) + (this.z * other.z);
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}
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pub fn comp(this: Self, other: Self) bool {
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return
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(this.x == other.x) and
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(this.y == other.y) and
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(this.z == other.z);
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}
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};
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}
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pub fn main() !void {
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const writer = std.io.getStdOut().writer();
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const myType = Vec3(64);
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const vec3: myType = undefined;
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vec3.init(1, 1, 1);
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var vec1: Vec3(u64) = undefined;
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var vec2: Vec3(u64) = undefined;
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vec1.init(2, 4, 3);
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vec2.init(1, 1, 1);
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try vec1.print();
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try writer.print(" + ", .{});
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try vec2.print();
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vec1.add(vec2);
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try writer.print(" = ", .{});
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try vec1.print();
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try writer.print("vec1.x: {d} \n", .{vec1.x});
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}
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