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mouse-click support in core_basic_screen_manager #23

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mouse-click support in core_basic_screen_manager #23

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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
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29 changes: 27 additions & 2 deletions raylib.js
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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 Down Expand Up @@ -59,6 +60,10 @@ class RaylibJs {
env: make_environment(this)
});

canvas.oncontextmenu = function(e) {
e.preventDefault();
};

const keyDown = (e) => {
this.currentPressedKeyState.add(glfwKeyMapping[e.code]);
};
Expand All @@ -71,10 +76,15 @@ class RaylibJs {
const mouseMove = (e) => {
this.currentMousePosition = {x: e.clientX, y: e.clientY};
};
const gestureTap = (e) => {
if (e.target.id === 'game')
this.currentGestureState = gestureMapping.GESTURE_TAP;
};
window.addEventListener("keydown", keyDown);
window.addEventListener("keyup", keyUp);
window.addEventListener("wheel", wheelMove);
window.addEventListener("mousemove", mouseMove);
window.addEventListener("mousedown", gestureTap);

this.wasm.instance.exports.main();
const next = (timestamp) => {
Expand Down Expand Up @@ -131,6 +141,7 @@ 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 +189,8 @@ class RaylibJs {
GetMouseWheelMove() {
return this.currentMouseWheelMoveState;
}
IsGestureDetected() {
return false;
IsGestureDetected(gesture) {
return this.currentGestureState === gesture;
}

TextFormat(... args){
Expand Down Expand Up @@ -364,6 +375,20 @@ 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