Fix collision with itself.

Fixes a bug where using the collision block that was colliding with itself was causing a bBasic compilation error.
Changed so that if the block is configured to check collision with something against itself, it will always return `true`.

Merge pull request #118 from haroldo-ok/fix-collision-with-itself
Fix #116

package.json

@@ -1,6 +1,6 @@
 {
   "name": "vcs-game-maker",
-  "version": "0.25.4",
+  "version": "0.25.5",
   "private": true,
   "scripts": {
     "serve": "vue-cli-service serve",

src/generators/bbasic/collision.js

@@ -6,8 +6,10 @@ export default (Blockly) => {
         Blockly.VARIABLE_CATEGORY_NAME);
     const var1 = Blockly.BBasic.nameDB_.getName(block.getFieldValue('VAR1'),
         Blockly.VARIABLE_CATEGORY_NAME);
-    // Variable getter.
-    const code = `collision(${var0}, ${var1})`;
+
+    const code = var0 === var1 ? 'true' :
+      `collision(${var0}, ${var1})`;
+
     return [code, Blockly.BBasic.ORDER_ATOMIC];
   };
 };