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POTile based map scrolling
 

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  1. POTile based map scrolling
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    <p>This script draws the map and other stuff:</p> <pre><code>public void render(Canvas canvas) { canvas.drawColor(Color.TRANSPARENT); Drawable myImage; int tileWidth = 50; int tileHeight = 50; int mapWidth = 3; int mapHeight = 3; int rowBaseX = 0; int rowBaseY = 0; int[][] board = new int[][] { {0,0,0}, {0,0,0}, {0,0,2} }; for (int row = 0; row &lt; mapHeight; row++) { for (int col = 0; col &lt; mapWidth; col++) { Resources res = this.getContext().getResources(); switch(board[row][col]) { case 0: myImage = res.getDrawable(R.drawable.tile1); break; case 1: myImage = res.getDrawable(R.drawable.tile2); break; default: myImage = res.getDrawable(R.drawable.tile3); break; } int curL; int curU; int curR; int curD; curL = rowBaseX + (col * tileWidth); curU = rowBaseY + (row * tileHeight); curR = curL + tileWidth; curD = curU + tileHeight; if (droid.x - decentreX &lt; curR &amp; droid.x + decentreX &gt; curL) { if (droid.y - decentreY &lt; curD &amp; droid.y + decentreY &gt; curU) { myImage.setBounds(curL,curU,curR,curD); myImage.draw(canvas); } } } } droid.draw(canvas); butt.draw(canvas); butt1.draw(canvas); butt2.draw(canvas); butt3.draw(canvas); buttz.draw(canvas); buttz1.draw(canvas); buttz2.draw(canvas); buttz3.draw(canvas); buttx.draw(canvas); } </code></pre> <p>The render(Canvas canvas) methos is called on every frame. How can i scroll the map tiles? I tried this:</p> <pre><code>public void render(Canvas canvas) { canvas.drawColor(Color.TRANSPARENT); Drawable myImage; int tileWidth = 50; int tileHeight = 50; int mapWidth = 3; int mapHeight = 3; int rowBaseX = 0; int rowBaseY = 0; int[][] board = new int[][] { {0,0,0}, {0,0,0}, {0,0,2} }; for (int row = 0; row &lt; mapHeight; row++) { for (int col = 0; col &lt; mapWidth; col++) { Resources res = this.getContext().getResources(); switch(board[row][col]) { case 0: myImage = res.getDrawable(R.drawable.tile1); break; case 1: myImage = res.getDrawable(R.drawable.tile2); break; default: myImage = res.getDrawable(R.drawable.tile3); break; } int curL; int curU; int curR; int curD; curL = rowBaseX + (col * tileWidth); curU = rowBaseY + (row * tileHeight); if (droid.touched &amp; !droid.touched1 &amp; !droid.touched3) { curL -= 1; }else if (droid.touched1 &amp; !droid.touched &amp; !droid.touched2){ curU += 1; }else if (droid.touched2 &amp; !droid.touched1 &amp; !droid.touched3){ curL += 1; }else if (droid.touched3 &amp; !droid.touched2 &amp; !droid.touched){ curU -= 1; }else if (droid.touched &amp; droid.touched1){ curL -= 1; curU += 1; }else if (droid.touched1 &amp; droid.touched2){ curL += 1; curU += 1; }else if (droid.touched2 &amp; droid.touched3){ curL += 1; curU -= 1; }else if (droid.touched3 &amp; droid.touched){ curL -= 1; curU -= 1; } curR = curL + tileWidth; curD = curU + tileHeight; if (droid.x - decentreX &lt; curR &amp; droid.x + decentreX &gt; curL) { if (droid.y - decentreY &lt; curD &amp; droid.y + decentreY &gt; curU) { myImage.setBounds(curL,curU,curR,curD); myImage.draw(canvas); } } } } droid.draw(canvas); butt.draw(canvas); butt1.draw(canvas); butt2.draw(canvas); butt3.draw(canvas); buttz.draw(canvas); buttz1.draw(canvas); buttz2.draw(canvas); buttz3.draw(canvas); buttx.draw(canvas); } </code></pre> <p>but it didn't worked. Everything that is not in this method is not important. Help me! :)</p>
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    1. PO
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      1. PTAnswer
    1. This table or related slice is empty.
    1. PTQuestion
    1. USLiukas
    1. USLiukas
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    1. This table or related slice is empty.
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    1. This table or related slice is empty.
    1. PO
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    1. This table or related slice is empty.
    1. CO"didn't worked" is very vague. What issues did you run into?
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      1. POTile based map scrolling
      1. USkostja
    2. COHow can i move the map?
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      1. USLiukas
    3. COoh and the issue is that i dont get any errors, but the map just moves 1px and stops.
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      1. POTile based map scrolling
      1. USLiukas
 

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