@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();
}
// float[], vec2[], vec3[], vec4[]
protected T setParamv(Parameter param, float[] values, int offset, int length) {
program.begin();
switch (param.arrayElementSize()) {
case 4:
program.setUniform4fv(param.mnemonic(), values, offset, length);
break;
case 3:
program.setUniform3fv(param.mnemonic(), values, offset, length);
break;
case 2:
program.setUniform2fv(param.mnemonic(), values, offset, length);
break;
default:
case 1:
program.setUniform1fv(param.mnemonic(), values, offset, length);
break;
}
program.end();
return (T) this;
}