im trying create 2d plat former game, have mapped out game ground , there smaller grounds in air player can jump on selected grounds. have managed set y axis when player hits ground player stays on ground landscape game, player keeps lagging.
i have built map this:
public ground[][] ground = new ground[mapheight][mapwidth]; ground[0][0] = new ground(ground.texturetype.unspecified, this); ground[0][1] = new ground(ground.texturetype.unspecified, this); ground[0][2] = new ground(ground.texturetype.unspecified, this); ground[0][3] = new ground(ground.texturetype.unspecified, this); ground[0][4] = new ground(ground.texturetype.unspecified, this); ground[0][5] = new ground(ground.texturetype.unspecified, this); ground[0][6] = new ground(ground.texturetype.unspecified, this); ground[0][7] = new ground(ground.texturetype.unspecified, this); ground[0][8] = new ground(ground.texturetype.unspecified, this); ground[0][9] = new ground(ground.texturetype.unspecified, this); ground[0][10] = new ground(ground.texturetype.unspecified, this); ground[0][11] = new ground(ground.texturetype.unspecified, this); ground[0][12] = new ground(ground.texturetype.unspecified, this); ground[0][13] = new ground(ground.texturetype.unspecified, this); ground[0][14] = new ground(ground.texturetype.unspecified, this); ground[1][0] = new ground(ground.texturetype.tile2, this); ground[1][1] = new ground(ground.texturetype.tile2, this); ground[1][2] = new ground(ground.texturetype.tile2, this); ground[1][3] = new ground(ground.texturetype.tile2, this); ground[1][4] = new ground(ground.texturetype.unspecified, this); ground[1][5] = new ground(ground.texturetype.unspecified, this); ground[1][6] = new ground(ground.texturetype.tile2, this); ground[1][7] = new ground(ground.texturetype.tile2, this); ground[1][8] = new ground(ground.texturetype.unspecified, this); ground[1][9] = new ground(ground.texturetype.unspecified, this); ground[1][10] = new ground(ground.texturetype.unspecified, this); ground[1][11] = new ground(ground.texturetype.tile2, this); ground[1][12] = new ground(ground.texturetype.tile2, this); ground[1][13] = new ground(ground.texturetype.unspecified, this); ground[1][14] = new ground(ground.texturetype.tile2, this); ground[2][0] = new ground(ground.texturetype.unspecified, this); ground[2][1] = new ground(ground.texturetype.unspecified, this); ground[2][2] = new ground(ground.texturetype.unspecified, this); ground[2][3] = new ground(ground.texturetype.unspecified, this); ground[2][4] = new ground(ground.texturetype.unspecified, this); ground[2][5] = new ground(ground.texturetype.unspecified, this); ground[2][6] = new ground(ground.texturetype.unspecified, this); ground[2][7] = new ground(ground.texturetype.unspecified, this); ground[2][8] = new ground(ground.texturetype.unspecified, this); ground[2][9] = new ground(ground.texturetype.unspecified, this); ground[2][10] = new ground(ground.texturetype.unspecified, this); ground[2][11] = new ground(ground.texturetype.unspecified, this); ground[2][12] = new ground(ground.texturetype.unspecified, this); ground[2][13] = new ground(ground.texturetype.unspecified, this); ground[2][14] = new ground(ground.texturetype.unspecified, this); ground[3][0] = new ground(ground.texturetype.unspecified, this); ground[3][1] = new ground(ground.texturetype.unspecified, this); ground[3][2] = new ground(ground.texturetype.unspecified, this); ground[3][3] = new ground(ground.texturetype.unspecified, this); ground[3][4] = new ground(ground.texturetype.unspecified, this); ground[3][5] = new ground(ground.texturetype.unspecified, this); ground[3][6] = new ground(ground.texturetype.unspecified, this); ground[3][7] = new ground(ground.texturetype.unspecified, this); ground[3][8] = new ground(ground.texturetype.unspecified, this); ground[3][9] = new ground(ground.texturetype.unspecified, this); ground[3][10] = new ground(ground.texturetype.unspecified, this); ground[3][11] = new ground(ground.texturetype.unspecified, this); ground[3][12] = new ground(ground.texturetype.unspecified, this); ground[3][13] = new ground(ground.texturetype.unspecified, this); ground[3][14] = new ground(ground.texturetype.unspecified, this); ground[4][0] = new ground(ground.texturetype.unspecified, this); ground[4][1] = new ground(ground.texturetype.tile2, this); ground[4][2] = new ground(ground.texturetype.tile2, this); ground[4][3] = new ground(ground.texturetype.tile2, this); ground[4][4] = new ground(ground.texturetype.unspecified, this); ground[4][5] = new ground(ground.texturetype.unspecified, this); ground[4][6] = new ground(ground.texturetype.unspecified, this); ground[4][7] = new ground(ground.texturetype.tile2, this); ground[4][8] = new ground(ground.texturetype.unspecified, this); ground[4][9] = new ground(ground.texturetype.unspecified, this); ground[4][10] = new ground(ground.texturetype.unspecified, this); ground[4][11] = new ground(ground.texturetype.tile2, this); ground[4][12] = new ground(ground.texturetype.tile2, this); ground[4][13] = new ground(ground.texturetype.unspecified, this); ground[4][14] = new ground(ground.texturetype.unspecified, this); ground[5][0] = new ground(ground.texturetype.unspecified, this); ground[5][1] = new ground(ground.texturetype.unspecified, this); ground[5][2] = new ground(ground.texturetype.unspecified, this); ground[5][3] = new ground(ground.texturetype.unspecified, this); ground[5][4] = new ground(ground.texturetype.unspecified, this); ground[5][5] = new ground(ground.texturetype.unspecified, this); ground[5][6] = new ground(ground.texturetype.unspecified, this); ground[5][7] = new ground(ground.texturetype.unspecified, this); ground[5][8] = new ground(ground.texturetype.unspecified, this); ground[5][9] = new ground(ground.texturetype.unspecified, this); ground[5][10] = new ground(ground.texturetype.unspecified, this); ground[5][11] = new ground(ground.texturetype.unspecified, this); ground[5][12] = new ground(ground.texturetype.unspecified, this); ground[5][13] = new ground(ground.texturetype.unspecified, this); ground[5][14] = new ground(ground.texturetype.unspecified, this); ground[6][0] = new ground(ground.texturetype.unspecified, this); ground[6][1] = new ground(ground.texturetype.unspecified, this); ground[6][2] = new ground(ground.texturetype.unspecified, this); ground[6][3] = new ground(ground.texturetype.unspecified, this); ground[6][4] = new ground(ground.texturetype.unspecified, this); ground[6][5] = new ground(ground.texturetype.unspecified, this); ground[6][6] = new ground(ground.texturetype.unspecified, this); ground[6][7] = new ground(ground.texturetype.unspecified, this); ground[6][8] = new ground(ground.texturetype.unspecified, this); ground[6][9] = new ground(ground.texturetype.unspecified, this); ground[6][10] = new ground(ground.texturetype.unspecified, this); ground[6][11] = new ground(ground.texturetype.unspecified, this); ground[6][12] = new ground(ground.texturetype.unspecified, this); ground[6][13] = new ground(ground.texturetype.unspecified, this); ground[6][14] = new ground(ground.texturetype.unspecified, this); ground[7][0] = new ground(ground.texturetype.unspecified, this); ground[7][1] = new ground(ground.texturetype.tile2, this); ground[7][2] = new ground(ground.texturetype.tile2, this); ground[7][3] = new ground(ground.texturetype.tile2, this); ground[7][4] = new ground(ground.texturetype.unspecified, this); ground[7][5] = new ground(ground.texturetype.unspecified, this); ground[7][6] = new ground(ground.texturetype.tile2, this); ground[7][7] = new ground(ground.texturetype.tile2, this); ground[7][8] = new ground(ground.texturetype.unspecified, this); ground[7][9] = new ground(ground.texturetype.unspecified, this); ground[7][10] = new ground(ground.texturetype.unspecified, this); ground[7][11] = new ground(ground.texturetype.tile2, this); ground[7][12] = new ground(ground.texturetype.tile2, this); ground[7][13] = new ground(ground.texturetype.tile2, this); ground[7][14] = new ground(ground.texturetype.tile2, this); ground[8][0] = new ground(ground.texturetype.unspecified, this); ground[8][1] = new ground(ground.texturetype.unspecified, this); ground[8][2] = new ground(ground.texturetype.unspecified, this); ground[8][3] = new ground(ground.texturetype.unspecified, this); ground[8][4] = new ground(ground.texturetype.unspecified, this); ground[8][5] = new ground(ground.texturetype.unspecified, this); ground[8][6] = new ground(ground.texturetype.unspecified, this); ground[8][7] = new ground(ground.texturetype.unspecified, this); ground[8][8] = new ground(ground.texturetype.unspecified, this); ground[8][9] = new ground(ground.texturetype.unspecified, this); ground[8][10] = new ground(ground.texturetype.unspecified, this); ground[8][11] = new ground(ground.texturetype.unspecified, this); ground[8][12] = new ground(ground.texturetype.unspecified, this); ground[8][13] = new ground(ground.texturetype.unspecified, this); ground[8][14] = new ground(ground.texturetype.unspecified, this); ground[9][0] = new ground(ground.texturetype.unspecified, this); ground[9][1] = new ground(ground.texturetype.unspecified, this); ground[9][2] = new ground(ground.texturetype.unspecified, this); ground[9][3] = new ground(ground.texturetype.unspecified, this); ground[9][4] = new ground(ground.texturetype.unspecified, this); ground[9][5] = new ground(ground.texturetype.unspecified, this); ground[9][6] = new ground(ground.texturetype.unspecified, this); ground[9][7] = new ground(ground.texturetype.unspecified, this); ground[9][8] = new ground(ground.texturetype.unspecified, this); ground[9][9] = new ground(ground.texturetype.unspecified, this); ground[9][10] = new ground(ground.texturetype.unspecified, this); ground[9][11] = new ground(ground.texturetype.unspecified, this); ground[9][12] = new ground(ground.texturetype.unspecified, this); ground[9][13] = new ground(ground.texturetype.unspecified, this); ground[9][14] = new ground(ground.texturetype.unspecified, this); ground[10][0] = new ground(ground.texturetype.tile34, this); ground[10][1] = new ground(ground.texturetype.tile34, this); ground[10][2] = new ground(ground.texturetype.tile34, this); ground[10][3] = new ground(ground.texturetype.tile34, this); ground[10][4] = new ground(ground.texturetype.tile34, this); ground[10][5] = new ground(ground.texturetype.tile34, this); ground[10][6] = new ground(ground.texturetype.tile34, this); ground[10][7] = new ground(ground.texturetype.tile2, this); ground[10][8] = new ground(ground.texturetype.tile34, this); ground[10][9] = new ground(ground.texturetype.tile34, this); ground[10][10] = new ground(ground.texturetype.tile34, this); ground[10][11] = new ground(ground.texturetype.tile34, this); ground[10][12] = new ground(ground.texturetype.tile34, this); ground[10][13] = new ground(ground.texturetype.tile34, this); ground[10][14] = new ground(ground.texturetype.tile34, this); for(int = 0; < mapheight; i++){ for(int j = 0; j < mapwidth; j++){ if(ground[i][j] != null){ ground[i][j].sety(topstart + (i*128)); ground[i][j].setx(j*128); } } } using matrix array.
here ground object
public class ground { public enum texturetype { unspecified, tile2, tile34 } public texturetype type; private gamepanel context; private int x, y, dy = 10; private bitmap image; public ground(texturetype type, gamepanel context){ this.type = type; this.context = context; if(type == texturetype.tile2){ image = bitmapfactory.decoderesource(((gamepanel)context).getresources(), r.drawable.tile2); }else if(type == texturetype.tile34){ image = bitmapfactory.decoderesource(((gamepanel)context).getresources(), r.drawable.tile34); }else{ image = null; } } public void update() { rect mysprite = getbounds(); rect mycollisionobject = context.robber.getbounds(); if(mysprite.intersect(mycollisionobject)) { if(type != ground.texturetype.unspecified) { context.robber.sety(gety() - 174); context.robber.isonground = true; }else{ } } if(getx() == context.robber.getx() && type == texturetype.unspecified){ context.robber.isonground = false; } /** }**/ } public void draw(canvas canvas) { if(type != texturetype.unspecified){ canvas.drawbitmap(image,getx(),gety(),null); } } public void startingpoint(int x, int y){ this.x = x; this.y = y; } public void setx(float x){ this.x = (int)x; } public void sety(float y){ this.y = (int)y; } public int getwidth(){ return image.getwidth(); } public int getheight(){ return image.getheight(); } public int getx(){ return x; } public int gety(){ return y; } public rect getbounds(){ if(type == texturetype.unspecified){ return new rect(x, y, x+0, y+0); }else{ return new rect(x, y, x+image.getwidth(), y+image.getheight()); } } } here player object:
public class player { private bitmap[] image; private double x, y, dy = 0, dx = 4; private bitmap spritesheet; private double dya; private boolean playing; private animation animation = new animation(); private gamepanel gamepanel; public boolean isonground = false; private static final double gravity = 9.8; private static final double terminal_velocity = 100; private double speed; private int ygroundtmp = -46 + 174; public player(bitmap[] res, final gamepanel gamepanel) { this.gamepanel = gamepanel; animation.setframes(res); animation.setdelay(100); //starttime = system.nanotime(); } double velocityx = 0.0; double velocityy = 0.0; double gravity = 0.5; public void update() { x += 1; if(isonground){ }else{ velocityy += gravity; y += velocityy; } /** rect mysprite = getbounds(); for(int = 0; < 11; i++){ for(int j = 0; j < 15;j++){ if(gamepanel.ground[i][j] != null){ rect mycollisionobject = gamepanel.ground[i][j].getbounds(); if(mysprite.intersect(mycollisionobject)) { if(gamepanel.ground[i][j].type != ground.texturetype.unspecified) { gamepanel.robber.sety(gamepanel.ground[i][j].gety() - 174); isonground = true; } } } } } **/ animation.update(); } public void draw(canvas canvas) { canvas.drawbitmap(animation.getimage(),(int) getx(),(int)gety(),null); } public void startingpoint(int x, int y){ //system.out.println(rx); this.x = x; this.y = y; } public void setx(float x){ this.x = (int)x; } public void sety(float y){ this.y = (int)y; system.out.println(y); } public int getwidth(){ return animation.getimage().getwidth(); } public int getheight(){ return animation.getimage().getheight(); } public double getx(){ return x; } public double gety(){ return y; } public void movedown(int val){ y += val; } public void moveup(int val){ velocityy -= val; } public rect getbounds(){ return new rect((int)x, (int)y, (int)(x+animation.getimage().getwidth()), (int)(y+animation.getimage().getheight())); } } could please advise.
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