Skip to content

mouse-click support in core_basic_screen_manager #23

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
wants to merge 3 commits into from
Closed

mouse-click support in core_basic_screen_manager #23

Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
2a6e73f
added initial support for gestures, namely tapping which is used in
tpby2005 Feb 10, 2024
9d5904c
Changed gesture event listener to game canvas
tpby2005 Feb 13, 2024
9d9fb9c
changed order because function only needs to be initialized above *so…
tpby2005 Feb 14, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
32 changes: 28 additions & 4 deletions raylib.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,7 @@ class RaylibJs {
this.currentPressedKeyState = new Set();
this.currentMouseWheelMoveState = 0;
this.currentMousePosition = {x: 0, y: 0};
this.currentGestureState = 0;
this.quit = false;
}

Expand All @@ -58,24 +59,32 @@ class RaylibJs {
this.wasm = await WebAssembly.instantiateStreaming(fetch(wasmPath), {
env: make_environment(this)
});

const keyDown = (e) => {
this.currentPressedKeyState.add(glfwKeyMapping[e.code]);
};
const keyUp = (e) => {
this.currentPressedKeyState.delete(glfwKeyMapping[e.code]);
};
const wheelMove = (e) => {
this.currentMouseWheelMoveState = Math.sign(-e.deltaY);
this.currentMouseWheelMoveState = Math.sign(-e.deltaY);
};
const mouseMove = (e) => {
this.currentMousePosition = {x: e.clientX, y: e.clientY};
};
const gestureTap = (e) => {
this.currentGestureState = gestureMapping.GESTURE_TAP;
Copy link

@RobLoach RobLoach Feb 27, 2024 •
edited
Loading

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

This will register a GESTURE_TAP if the middle-mouse button is pressed, and never actually release it. I'm not sure this is the intended behavior.

};
window.addEventListener("keydown", keyDown);
window.addEventListener("keyup", keyUp);
window.addEventListener("wheel", wheelMove);
window.addEventListener("mousemove", mouseMove);

canvas.addEventListener("mousedown", gestureTap);
canvas.oncontextmenu = function(e) {
e.preventDefault();
};

this.wasm.instance.exports.main();
const next = (timestamp) => {
if (this.quit) {
Expand Down Expand Up @@ -131,6 +140,7 @@ class RaylibJs {
this.prevPressedKeyState.clear();
this.prevPressedKeyState = new Set(this.currentPressedKeyState);
this.currentMouseWheelMoveState = 0.0;
this.currentGestureState = 0;
}

DrawCircleV(center_ptr, radius, color_ptr) {
Expand Down Expand Up @@ -178,8 +188,8 @@ class RaylibJs {
GetMouseWheelMove() {
return this.currentMouseWheelMoveState;
}
IsGestureDetected() {
return false;
IsGestureDetected(gesture) {
return this.currentGestureState === gesture;
}

TextFormat(... args){
Expand Down Expand Up @@ -364,6 +374,20 @@ const glfwKeyMapping = {
// GLFW_KEY_LAST GLFW_KEY_MENU
}

const gestureMapping = {
GESTURE_NONE: 0,
GESTURE_TAP: 1,
GESTURE_DOUBLETAP: 2,
GESTURE_HOLD: 4,
GESTURE_DRAG: 8,
GESTURE_SWIPE_RIGHT: 16,
GESTURE_SWIPE_LEFT: 32,
GESTURE_SWIPE_UP: 64,
GESTURE_SWIPE_DOWN: 128,
GESTURE_PINCH_IN: 256,
GESTURE_PINCH_OUT: 512
}

function cstrlen(mem, ptr) {
let len = 0;
while (mem[ptr] != 0) {
Expand Down