mascully/improcket
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This commit is contained in:
asraelite 2018-03-07 14:23:45 +00:00
parent 194c0bf846
commit bd97945e66
14 changed files with 82 additions and 20 deletions
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9
js/graphics/index.mjs
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@ -108,6 +108,7 @@ class Perspective {
this.oldZoom = 0;
this.transition = 0;
this.zoomTransition = 0;
this.zoomTransitionSpeed = 0.9;
this.reset();
}
@ -122,10 +123,11 @@ class Perspective {
[this.shiftX, this.shiftY] = [x, y];
}
changeZoom(zoom) {
changeZoom(zoom, speed = 0.9) {
this.oldZoom = this.currentZoom;
this.targetZoom = zoom;
this.zoomTransition = 1;
this.zoomTransitionSpeed = speed;
}
get currentShift() {
@ -182,7 +184,7 @@ class Perspective {
this.zoom = this.currentZoom;
this.transition *= 0.9;
this.zoomTransition *= 0.9;
this.zoomTransition *= this.zoomTransitionSpeed;
}
reset() {
@ -201,7 +203,8 @@ class Perspective {
zoomDelta(delta) {
let factor = 1 + (consts.ZOOM_SPEED * Math.abs(delta));
this.targetZoom *= delta > 0 ? factor : 1 / factor;
let target = this.targetZoom * (delta > 0 ? factor : 1 / factor);
this.changeZoom(target, 0.7);
this.normalize();
}

5
js/graphics/world.mjs
View file

@ -28,8 +28,9 @@ function renderParticle(particle) {
function renderEntity(entity) {
context.save();
context.translate(...entity.com);
if (graphics.perspective.zoom < 2 && graphics.markers) {
context.globalAlpha = 0.7 / graphics.perspective.zoom;
let alpha = Math.max(1 - ((graphics.perspective.zoom - 1) / 2), 0) ** 2;
if (alpha > 0 && graphics.markers) {
context.globalAlpha = alpha;
context.beginPath();
context.arc(0, 0, 4, 0, 2 * Math.PI);
context.lineWidth = 1;