public void render(float delta) {
time += delta;
shaderProgram.begin();
texture.bind();
shaderProgram.setUniformf("tex0", 0);
shaderProgram.setUniformf("resolution", Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
shaderProgram.setUniformf("time", time);
this.mesh.render(shaderProgram, GL20.GL_TRIANGLE_FAN);
shaderProgram.end();
}
private void setSize(int FBO_W, int FBO_H) {
w = FBO_W;
h = FBO_H;
blurShader.begin();
blurShader.setUniformf("size", FBO_W, FBO_H);
blurShader.end();
}
private void gaussianBlur() {
// cut bright areas of the picture and blit to smaller fbo
original.bind(0);
pingPongBuffer1.begin();
{
tresholdShader.begin();
{
// tresholdShader.setUniformi("u_texture0", 0);
fullScreenQuad.render(tresholdShader, GL20.GL_TRIANGLE_FAN, 0, 4);
}
tresholdShader.end();
}
pingPongBuffer1.end();
for (int i = 0; i < blurPasses; i++) {
pingPongTex1.bind(0);
// horizontal
pingPongBuffer2.begin();
{
blurShader.begin();
{
blurShader.setUniformf("dir", 1f, 0f);
fullScreenQuad.render(blurShader, GL20.GL_TRIANGLE_FAN, 0, 4);
}
blurShader.end();
}
pingPongBuffer2.end();
pingPongTex2.bind(0);
// vertical
pingPongBuffer1.begin();
{
blurShader.begin();
{
blurShader.setUniformf("dir", 0f, 1f);
fullScreenQuad.render(blurShader, GL20.GL_TRIANGLE_FAN, 0, 4);
}
blurShader.end();
}
pingPongBuffer1.end();
}
}
/**
* Treshold for bright parts. everything under treshold is clamped to 0
*
* @param treshold must be in range 0..1
*/
public void setTreshold(float treshold) {
this.treshold = treshold;
tresholdShader.begin();
{
tresholdShader.setUniformf("treshold", treshold, 1f / (1 - treshold));
}
tresholdShader.end();
}
/**
* set intensity for original scene. under 1 mean darkening and over 1 means lightening
*
* @param intensity multiplier for captured texture in combining phase. must be positive.
*/
public void setOriginalIntesity(float intensity) {
originalIntensity = intensity;
bloomShader.begin();
{
bloomShader.setUniformf("OriginalIntensity", intensity);
}
bloomShader.end();
}
/**
* set intensity for bloom. higher mean more brightening for spots that are over treshold
*
* @param intensity multiplier for blurred texture in combining phase. must be positive.
*/
public void setBloomIntesity(float intensity) {
bloomIntensity = intensity;
bloomShader.begin();
{
bloomShader.setUniformf("BloomIntensity", intensity);
}
bloomShader.end();
}
// vec3 version
protected T setParams(Parameter param, Vector3 value) {
if (!programBegan) {
programBegan = true;
program.begin();
}
program.setUniformf(param.mnemonic(), value);
return (T) this;
}
private void initializeShaders() {
String vertexShader = "shaders/blur.vert";
String fragmentShader = "shaders/blur.frag";
ShaderProgram.pedantic = false;
blurShader =
new ShaderProgram(Gdx.files.internal(vertexShader), Gdx.files.internal(fragmentShader));
if (!blurShader.isCompiled()) {
System.err.println(blurShader.getLog());
System.exit(0);
}
if (blurShader.getLog().length() != 0) System.out.println(blurShader.getLog());
blurShader.begin();
blurShader.setUniformf("dir", 0f, 0f);
blurShader.setUniformf("resolution", FBO_SIZE);
blurShader.setUniformf("radius", blurAmount);
blurShader.end();
}
@Override
public void draw(Batch batch, float parentAlpha) {
batch.setShader(shader);
time += Gdx.graphics.getDeltaTime();
if (time > 2 * Math.PI) {
time -= 2 * Math.PI;
}
if (false) {
time = 0;
magicSize.x = 10000;
magicSize.y = 10000;
}
shader.setUniformf("uInvSize", invSize);
shader.setUniformf("uTime", time);
shader.setUniformf("u_magicSize", magicSize);
batch.draw(bg, IOS8.acceler.getX(), IOS8.acceler.getY());
batch.setShader(null);
}
public void render() {
Gdx.gl20.glViewport(0, 0, Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
Gdx.gl20.glClear(GL20.GL_COLOR_BUFFER_BIT);
Gdx.gl20.glActiveTexture(GL20.GL_TEXTURE0);
texture.bind();
shader.begin();
shader.setUniformf("s_texture", 0);
Gdx.gl20.glTexParameteri(GL20.GL_TEXTURE_2D, GL20.GL_TEXTURE_MIN_FILTER, GL20.GL_NEAREST);
shader.setUniformf("u_offset", -0.6f);
mesh.render(shader, GL20.GL_TRIANGLES);
Gdx.gl20.glTexParameteri(
GL20.GL_TEXTURE_2D, GL20.GL_TEXTURE_MIN_FILTER, GL20.GL_LINEAR_MIPMAP_LINEAR);
shader.setUniformf("u_offset", 0.6f);
mesh.render(shader, GL20.GL_TRIANGLES);
shader.end();
}
public void render(float delta) {
updateOrbs(delta);
blurTargetA.begin();
Gdx.gl.glClearColor(0.0f, 0.0f, 0.0f, 1f);
Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
batch.setShader(null);
// resizeBatch(FBO_SIZE, FBO_SIZE);
renderOrbs(OrbPart.Light);
blurTargetA.end();
blurTargetB.begin();
Gdx.gl.glClearColor(0.0f, 0.0f, 0.0f, 1f);
Gdx.gl.glClear(GL10.GL_COLOR_BUFFER_BIT);
batch.setShader(blurShader);
batch.begin();
blurShader.setUniformf("dir", 1f, 0f);
fboRegion.setTexture(blurTargetA.getColorBufferTexture());
batch.draw(fboRegion, 0, 0);
batch.flush();
blurTargetB.end();
generateBackground(delta);
Gdx.gl.glClearColor(backgroundColor.r, backgroundColor.g, backgroundColor.b, 0f);
Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
// resizeBatch(Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
batch.end();
// renderOrbs(OrbPart.Dark);
batch.begin();
blurShader.setUniformf("dir", 0f, 1f);
fboRegion.setTexture(blurTargetB.getColorBufferTexture());
batch.draw(fboRegion, 0, 0);
batch.setShader(null);
batch.end();
}
private void renderWorld(SpriteBatch batch) {
worldController.cameraHelper.applyTo(camera);
batch.setProjectionMatrix(camera.combined);
batch.begin();
if (GamePreferences.instance.useMonochromeShader) {
batch.setShader(shaderMonochrome);
shaderMonochrome.setUniformf("u_amount", 1.0f);
}
worldController.level.render(batch);
batch.setShader(null);
batch.end();
if (DEBUG_DRAW_BOX2D_WORLD) b2debugRenderer.render(worldController.b2world, camera.combined);
}
public boolean draw(SpriteBatch batch, ShaderProgram ghostShader, float delta) {
// We will use a wibbly-wobbly shader for bill's ghost
batch.setShader(ghostShader);
ghostTime += delta;
ghostShader.setUniformf("time", ghostTime);
// ghostShader.setUniformf("resolution", 1.0f, 1.0f);
sprite.setPosition(x, y);
sprite.setAlpha(alpha);
sprite.draw(batch);
y += delta * 250;
x -= (MathUtils.sin(y / 100 % 360) * 2) * side;
alpha = (VIEW_HEIGHT - (y / VIEW_HEIGHT / 2));
batch.setShader(null); // turn off ghost shader.
return y <= VIEW_HEIGHT + sprite.getHeight();
}
@Override
public void render() {
Gdx.gl20.glViewport(
0, 0, Gdx.graphics.getBackBufferWidth(), Gdx.graphics.getBackBufferHeight());
Gdx.gl20.glClear(GL20.GL_COLOR_BUFFER_BIT);
shader.begin();
shader.setUniform2fv(
"u_resolution",
new float[] {(float) Gdx.graphics.getWidth(), (float) Gdx.graphics.getHeight()},
0,
2);
shader.setUniformf("u_time", TimeUtils.timeSinceMillis(startTime) / 1000f);
shader.setUniform2fv(
"u_mousePos",
new float[] {Gdx.input.getX(), Gdx.graphics.getHeight() - Gdx.input.getY()},
0,
2);
mesh.render(shader, GL20.GL_TRIANGLES);
shader.end();
}
@Override
protected void setShaderUniforms(ShaderProgram shader) {
shader.setUniformf("u_h", pickerHue);
}
// vec3
protected void setParam(Parameter param, Vector3 value) {
program.begin();
program.setUniformf(param.mnemonic(), value);
program.end();
}
