WallyHackenslacker/NxtAR-core
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Started sketching the 3D rendering.

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Wally Hackenslacker
2014-05-05 15:25:01 -04:30
parent 1146a260b6
commit 271b7d003a
1 changed files with 58 additions and 4 deletions
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62
src/ve/ucv/ciens/ccg/nxtar/states/InGameState.java
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@@ -33,12 +33,15 @@ import com.badlogic.gdx.controllers.Controller;
import com.badlogic.gdx.controllers.mappings.Ouya;
import com.badlogic.gdx.graphics.GL20;
import com.badlogic.gdx.graphics.OrthographicCamera;
import com.badlogic.gdx.graphics.PerspectiveCamera;
import com.badlogic.gdx.graphics.Pixmap;
import com.badlogic.gdx.graphics.Pixmap.Format;
import com.badlogic.gdx.graphics.Texture;
import com.badlogic.gdx.graphics.Texture.TextureFilter;
import com.badlogic.gdx.graphics.Texture.TextureWrap;
import com.badlogic.gdx.graphics.g2d.Sprite;
import com.badlogic.gdx.graphics.g2d.TextureRegion;
import com.badlogic.gdx.graphics.glutils.FrameBuffer;
import com.badlogic.gdx.graphics.glutils.ShaderProgram;
import com.badlogic.gdx.math.Vector2;
import com.badlogic.gdx.math.Vector3;
@@ -50,14 +53,20 @@ public class InGameState extends BaseState{
private NxtARCore core;
// Background related fields.
private float u_scaling[];
protected Sprite background;
private Texture backgroundTexture;
private ShaderProgram backgroundShader;
// 3D rendering fields.
private FrameBuffer frameBuffer;
private Sprite frameBufferSprite;
// Cameras.
private OrthographicCamera camera;
private OrthographicCamera pixelPerfectCamera;
private PerspectiveCamera camera3D;
// Video stream graphics.
private Texture videoFrameTexture;
@@ -148,6 +157,11 @@ public class InGameState extends BaseState{
u_scaling = new float[2];
u_scaling[0] = Gdx.graphics.getWidth() > Gdx.graphics.getHeight() ? 16.0f : 9.0f;
u_scaling[1] = Gdx.graphics.getHeight() > Gdx.graphics.getWidth() ? 16.0f : 9.0f;
// Set up the 3D rendering.
frameBuffer = null;
camera3D = null;
frameBufferSprite = new Sprite();
}
@Override
@@ -176,6 +190,17 @@ public class InGameState extends BaseState{
// Fetch the current video frame.
frame = frameMonitor.getCurrentFrame();
if(camera3D == null && frameBuffer == null){
int w, h;
w = (int)((float)frameMonitor.getFrameDimensions().getWidth() * ProjectConstants.OVERSCAN);
h = (int)((float)frameMonitor.getFrameDimensions().getHeight() * ProjectConstants.OVERSCAN);
frameBuffer = new FrameBuffer(Format.RGB565, w, h, true);
camera3D = new PerspectiveCamera(60, w, h);
}
// Apply the undistortion method if the camera has been calibrated already.
if(core.cvProc.cameraIsCalibrated()){
frame = core.cvProc.undistortFrame(frame);
@@ -198,16 +223,36 @@ public class InGameState extends BaseState{
renderableVideoFrame = new Sprite(region);
renderableVideoFrame.setOrigin(renderableVideoFrame.getWidth() / 2, renderableVideoFrame.getHeight() / 2);
// Set the position and orientation of the renderable video frame.
// TODO: Render the 3D scene here.
frameBuffer.begin();{
Gdx.gl.glClearColor(1, 1, 1, 0);
Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT | GL20.GL_DEPTH_BUFFER_BIT);
// TODO: Call 3D scene renderer.
}frameBuffer.end();
// Set the renderable 3D sprite.
frameBufferSprite.setTexture(frameBuffer.getColorBufferTexture());
// Set the position and orientation of the renderable video frame and the frame buffer.
if(!Ouya.runningOnOuya){
renderableVideoFrame.setSize(1.0f, renderableVideoFrame.getHeight() / renderableVideoFrame.getWidth() );
renderableVideoFrame.rotate90(true);
renderableVideoFrame.translate(-renderableVideoFrame.getWidth() / 2, 0.5f - renderableVideoFrame.getHeight());
frameBufferSprite.setSize(1.0f, frameBufferSprite.getHeight() / frameBufferSprite.getWidth() );
frameBufferSprite.rotate90(true);
frameBufferSprite.translate(-frameBufferSprite.getWidth() / 2, 0.5f - frameBufferSprite.getHeight());
}else{
float xSize = Gdx.graphics.getHeight() * (dimensions.getWidth() / dimensions.getHeight());
renderableVideoFrame.setSize(xSize * ProjectConstants.OVERSCAN, Gdx.graphics.getHeight() * ProjectConstants.OVERSCAN);
renderableVideoFrame.rotate90(true);
renderableVideoFrame.translate(-renderableVideoFrame.getWidth() / 2, -renderableVideoFrame.getHeight() / 2);
frameBufferSprite.setSize(xSize * ProjectConstants.OVERSCAN, Gdx.graphics.getHeight() * ProjectConstants.OVERSCAN);
frameBufferSprite.rotate90(true);
frameBufferSprite.translate(-frameBufferSprite.getWidth() / 2, -frameBufferSprite.getHeight() / 2);
}
// Set the correct camera for the device.
@@ -216,10 +261,11 @@ public class InGameState extends BaseState{
}else{
core.batch.setProjectionMatrix(pixelPerfectCamera.combined);
}
// Render the video frame.
// Render the video frame and the frame buffer.
core.batch.begin();{
renderableVideoFrame.draw(core.batch);
frameBufferSprite.draw(core.batch, 1.0f);
}core.batch.end();
// Clear the video frame from memory.
@@ -263,12 +309,20 @@ public class InGameState extends BaseState{
public void dispose(){
if(videoFrameTexture != null)
videoFrameTexture.dispose();
if(buttonTexture != null)
buttonTexture.dispose();
if(buttonTexture2 != null)
buttonTexture2.dispose();
backgroundTexture.dispose();
if(backgroundShader != null) backgroundShader.dispose();
if(backgroundShader != null)
backgroundShader.dispose();
if(frameBuffer != null)
frameBuffer.dispose();
}
/*;;;;;;;;;;;;;;;;;;