more mouse controls

extensions/extensions.json

@@ -7,6 +7,7 @@
   "files",
   "pointerlock",
   "cursor",
+  "legobrainbiker/MoreMouseControls",
   "runtime-options",
   "fetch",
   "text",

extensions/legobrainbiker/MoreMouseControls.js

@@ -0,0 +1,185 @@
+// Name: More Mouse Controls
+// ID: legobrainbikerMoreMouseControls
+// Description: Adds more options to detect properties of the cursor, including its position, clicking, and scrolling.
+// By: legobrainbiker <https://scratch.mit.edu/users/legobrainbiker/>
+// License: MPL-2.0
+(function (Scratch) {
+  "use strict";
+  const iconURI =
+    "data:image/svg+xml;base64,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";
+  class moreMouseControls {
+    constructor() {
+      this.mouseX = 0;
+      this.mouseY = 0;
+      this.mouseWheelDelta = 0;
+      this.mouseWheelDeltaX = 0;
+      this.mouseZoomDelta = 0;
+      this.buttons = [];
+      this.contextMenuDissabled = false;
+      document.addEventListener("contextmenu", (e) => {
+        if (this.contextMenuDissabled) {
+          e.preventDefault();
+        }
+      });
+      this.scrollDissabled = false;
+      document.addEventListener(
+        "wheel",
+        (e) => {
+          if (this.scrollDissabled) {
+            e.preventDefault();
+          }
+          if (e.ctrlKey) {
+            this.mouseZoomDelta = e.deltaY;
+            this.mouseWheelDelta = 0;
+            this.mouseWheelDeltaX = 0;
+          } else {
+            this.mouseZoomDelta = 0;
+            this.mouseWheelDelta = e.deltaY;
+            this.mouseWheelDeltaX = e.deltaX;
+          }
+          Scratch.vm.runtime.startHats(
+            "legobrainbikerMoreMouseControls_onScroll"
+          );
+        },
+        { passive: false }
+      );
+      document.addEventListener("mouseup", (e) => {
+        this.buttons[e.button] = false;
+      });
+      document.addEventListener("mousedown", (e) => {
+        this.buttons[e.button] = true;
+      });
+      document.addEventListener("mousemove", (e) => {
+        this.mouseX = e.clientX;
+        this.mouseY = e.clientY;
+      });
+      document.addEventListener("mouseleave", (e) => {
+        this.mouseX = NaN;
+        this.mouseY = NaN;
+        // this could be problomatic for some projects. it's not great to add another edge case
+      });
+    }
+    getInfo() {
+      return {
+        id: "legobrainbikerMoreMouseControls",
+        name: Scratch.translate("More Mouse Controls"),
+        menuIconURI: iconURI,
+        blockIconURI: iconURI,
+        color1: "#99bbbb",
+        color2: "#88bbbb",
+        color3: "#88bbbb",
+        blocks: [
+          {
+            opcode: "onMouseUp",
+            blockType: Scratch.BlockType.HAT,
+            text: Scratch.translate("when mouse button [button] is released"),
+            isEdgeActivated: true,
+            arguments: {
+              button: {
+                type: Scratch.ArgumentType.NUMBER,
+                defaultValue: "0",
+              },
+            },
+          },
+          {
+            opcode: "onMouseDown",
+            blockType: Scratch.BlockType.HAT,
+            text: Scratch.translate("when mouse button [button] is pressed"),
+            isEdgeActivated: true,
+            arguments: {
+              button: {
+                type: Scratch.ArgumentType.NUMBER,
+                defaultValue: "0",
+              },
+            },
+          },
+          {
+            opcode: "buttonPressed",
+            blockType: Scratch.BlockType.BOOLEAN,
+            text: Scratch.translate("mouse button [button] is pressed"),
+            arguments: {
+              button: {
+                type: Scratch.ArgumentType.NUMBER,
+                defaultValue: "0",
+              },
+            },
+          },
+          {
+            opcode: "toggleContextMenu",
+            blockType: Scratch.BlockType.COMMAND,
+            text: Scratch.translate("toggle context menu"),
+          },
+          {
+            opcode: "toggleScroll",
+            blockType: Scratch.BlockType.COMMAND,
+            text: Scratch.translate("toggle scrolling and zooming"),
+          },
+          {
+            opcode: "onScroll",
+            blockType: Scratch.BlockType.EVENT,
+            text: Scratch.translate("when scrolling"),
+            isEdgeActivated: false,
+          },
+          {
+            opcode: "scrollAmount",
+            blockType: Scratch.BlockType.REPORTER,
+            text: Scratch.translate("scroll amount"),
+          },
+          {
+            opcode: "horozontalScrollAmount",
+            blockType: Scratch.BlockType.REPORTER,
+            text: Scratch.translate("horozontal scroll amount"),
+          },
+          {
+            opcode: "zoomAmount",
+            blockType: Scratch.BlockType.REPORTER,
+            text: Scratch.translate("zoom amount"),
+          },
+          {
+            opcode: "mouseGlobalX",
+            blockType: Scratch.BlockType.REPORTER,
+            text: Scratch.translate("mouse global x position"),
+          },
+          {
+            opcode: "mouseGlobalY",
+            blockType: Scratch.BlockType.REPORTER,
+            text: Scratch.translate("mouse global y position"),
+          },
+        ],
+      };
+    }
+    onMouseUp(args) {
+      return !this.buttonPressed(args);
+    }
+    onMouseDown(args) {
+      return this.buttonPressed(args);
+    }
+    buttonPressed({ button }) {
+      return this.buttons[Scratch.Cast.toNumber(button)] || false;
+    }
+    toggleContextMenu() {
+      this.contextMenuDissabled = !this.contextMenuDissabled;
+    }
+    toggleScroll() {
+      this.scrollDissabled = !this.scrollDissabled;
+    }
+    scrollAmount() {
+      return -this.mouseWheelDelta;
+    }
+    horozontalScrollAmount() {
+      return this.mouseWheelDeltaX;
+    }
+    zoomAmount() {
+      return -this.mouseZoomDelta;
+    }
+    mouseGlobalX() {
+      const canvas = Scratch.renderer.canvas.getBoundingClientRect();
+      return this.mouseX - canvas.x - canvas.width / 2;
+    }
+    mouseGlobalY() {
+      const canvas = Scratch.renderer.canvas.getBoundingClientRect();
+      return -(this.mouseY - canvas.y - canvas.height / 2);
+    }
+  }
+  Scratch.extensions.register(new moreMouseControls());
+})(Scratch);