-<!DOCTYPE HTML>
+<!DOCTYPE XHTML>
<html><head>
<title>Tilerender</title>
<meta charset="utf8">
<canvas id="view" width="1280" height="600" style="padding: 0 auto; max-height: 600px;">
Canvas not supported<br/>
<img id="maptiles" src="tileset.png" width="64" style="overflow: hidden;" />
+ <tiles>
+ <tile position="2" animated="1"></tile>
+ <tile position="3" elevation=".125"></tile>
+ <tile position="4" blocking="yes"></tile>
+ </tiles>
<img id="character" src="character.png" speed="2.75"/>
<div id="map" columns="18" rows="36">
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
data: document.getElementById("map").textContent.split(',') || [],
tiles: document.getElementById("maptiles"),
+ default_props: {animated: false, elevation: 0, blocking: false},
+ tileprops: [],
tw: 32, th: 16, sw: 16, sh: 8,
offset_x: 0, offset_y: 0,
this.th = this.tiles.getAttribute("height") * 1 || this.tw / 2;
this.sw = this.tw / 2;
this.sh = this.th / 2;
+
+ var prop, i;
+
+ for (i in this.data) this.data[i] = this.data[i] * 1 || 0; // make numeric
+
+ for (prop of document.querySelectorAll("tiles > tile")) {
+ i = prop.getAttribute("position") * 1;
+ if (i) {
+ this.tileprops[i] = {
+ animated: prop.getAttribute("animated") || this.default_props.animated,
+ elevation: prop.getAttribute("elevation") * 1 || this.default_props.elevation,
+ blocking: prop.getAttribute("blocking") || this.default_props.blocking
+ }
+ }
+ }
},
+ props_of: function(n) { return this.tileprops[this.data[n]] || this.default_props; },
+
tile_at: function(x, y) {
var my = (y / this.sh |0);
var mx = (x / this.sw |0);
return this.cols * my + mx;
},
- draw: function(){
- var py = this.tile_at(player.x, player.y) / this.cols |0;
- var px = this.tile_at(player.x, player.y) % this.cols;
+ draw: function(){ // map.draw
+ var py = player.n / this.cols % this.rows |0;
+ var px = player.n % this.cols;
var x, y, z, n, tile;
for (y = 0; y < this.rows; ++y) {
n = x + y * map.cols + z * map.rows * map.cols;
tile = ( n == ptr ) ? 5 : this.data[n];
canvas.globalAlpha = ( y > py &&
- z > player.z &&
+ (z > player.z || z == (player.z |0) && this.props_of(n).blocking) &&
y < py + 6 &&
x > px - 2 &&
x < px + 2
}
if (py == y) player.draw();
}
- }
-}
+ } // end map.draw
+} // end map
player = {
frame: 0, d: 's',
this.h = this.sprite.getAttribute("height") * 1 || map.sh * 6 || this.w * 1.5;
this.o = this.sprite.getAttribute("offset") * 1 || map.sh || this.w / 4;
this.speed = this.sprite.getAttribute("speed") * 1|| this.w / 16;
+ this.n = map.tile_at(this.x, this.y) + this.z * map.rows * map.cols || 0;
map.offset_x = this.x - view.clientWidth / 2 |0;
map.offset_y = this.y - view.clientHeight / 2 |0;
},
dy *= .625;
}
- if (map.data[map.tile_at(this.x + dx, this.y + dy)] != 4) {
- this.x += dx; this.y += dy;
- }
+ var n = map.tile_at(this.x + dx, this.y + dy) + this.z * map.rows * map.cols;
+ if (!map.props_of(n).blocking &&
+ !map.props_of(n + map.rows * map.cols).blocking
+ ) { this.x += dx; this.y += dy; this.n = n; }
+ else if (!map.props_of(n + map.rows * map.cols).blocking &&
+ !map.props_of(n + 2 * map.rows * map.cols).blocking
+ ) { this.x += dx; this.y += dy; this.z += 1; this.n = n + map.rows * map.cols; }
this.frame += this.frame < 255 ? 1 : -127;
map.offset_y = this.y - view.clientHeight / 2 |0;
},
+ fall: function(){
+ if (!this.fallspeed) this.fallspeed = 0;
+ if (!this.falloff) this.falloff = 0;
+
+ if(this.falloff > 0 ||
+ !map.data[this.n] &&
+ !map.props_of(this.n - map.cols * map.rows).blocking
+ ) this.fallspeed += 1.81 * .03;
+ else this.fallspeed = 0;
- draw: function(){
+ this.falloff -= this.fallspeed;
+ if (this.falloff < 0 &&
+ (map.data[this.n] ||
+ map.props_of(this.n - map.cols * map.rows).blocking)) {
+ this.fallspeed = this.falloff = 0;
+ } else if (this.falloff < 0) {
+ this.falloff += 1;
+ this.z -= 1;
+ this.n -= map.rows * map.cols;
+ }
+ },
+
+
+ draw: function(){ // player.draw
var face = 0, state = 0;
switch (this.d){
canvas.drawImage( this.sprite, this.w * face, this.h * state,
this.w, this.h,
this.x - this.w / 2 - map.offset_x,
- this.y - this.z * map.th - this.h + this.o - map.offset_y,
+ this.y - (this.z |0) * map.th - this.h + this.o - map.offset_y - map.props_of(this.n).elevation * map.th - this.falloff * map.th,
this.w, this.h );
- }
+ } // end player.draw
};
frame = 0;
setInterval(function(){
get_input();
+ player.fall();
map.draw();
frame += frame < 255 ? 1 : -255;
}, 33)
projects / isotilejs / commitdiff