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added defaults for the origin

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Sander Hautvast 2021-02-18 22:44:28 +01:00
parent b1da7c2693
commit 64a90cb250
3 changed files with 11 additions and 5 deletions
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6
README.md
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@ -14,7 +14,7 @@ The repl has the following syntax (It's work in progress, new capabilities will
* remove(x) removes bindings (when it's an object (eg vector), removes it from the matrix) * remove(x) removes bindings (when it's an object (eg vector), removes it from the matrix)
* remove(@x) removes an object using it's assigned index * remove(@x) removes an object using it's assigned index
* method calls: * method calls:
* a = vector(0,0,12,1) * a = vector(12,1)
> > vector@0{x0:1, y0: 2, x:12, y:1} > > vector@0{x0:1, y0: 2, x:12, y:1}
* a.type() * a.type()
> > vector > > vector
@ -33,8 +33,8 @@ The repl has the following syntax (It's work in progress, new capabilities will
* cmdline: npm run start * cmdline: npm run start
* enter the following: * enter the following:
``` ```
a=vector(0,0,0.5,0.5) a = vector(0.5, 0.5)
b=vector(0,0,-1,1) b = vector(-1, 1)
c = "a+b" c = "a+b"
``` ```
* and press enter. Then using the mouse pointer move a or b. * and press enter. Then using the mouse pointer move a or b.

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8
src/js/console.js
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@ -205,7 +205,13 @@ const method_call = function (object_wrapper, method_or_property) {
const functions = { const functions = {
help: () => help(), help: () => help(),
vector: (args) => create_vector({x0: args[0], y0: args[1], x: args[2], y: args[3]}), vector: (args) => {
if (args.length === 2) {
return create_vector({x0: 0, y0: 0, x: args[0], y: args[1]});
} else {
return create_vector({x0: args[0], y0: args[1], x: args[2], y: args[3]});
}
},
remove: (args) => { remove: (args) => {
if (Object.prototype.hasOwnProperty.call(args[0], ['binding'])) { if (Object.prototype.hasOwnProperty.call(args[0], ['binding'])) {
delete state[args[0].binding]; delete state[args[0].binding];