/** Update world model matrix. */
public void updateWorldModelMatrix() {
// parentMatrix * worldModelMatrix
Entity parent = getParent();
if (parent != null) {
Matrix4f parentMatrix = parent.getWorldModelMatrix();
parentMatrix.mul(localMatrix, worldModelMatrix);
} else {
// worldModelMatrix = localMatrix
worldModelMatrix.set(localMatrix);
}
}
/**
* Called at every frame update.
*
* @param frame Frame information
*/
public void update(FrameInput frame) {
// Notify to components
for (Component component : components.values()) {
component.update(frame);
}
// Notify to children
for (Entity child : children) {
child.update(frame);
}
// Update local model matrix if necessary.
if (localMatrixUpdateRequired) {
updateLocalMatrix();
invalidateWorldModelMatrix();
localMatrixUpdateRequired = false;
}
// Update world model matrix if necessary.
if (worldMatrixUpdateRequired) {
updateWorldModelMatrix();
worldMatrixUpdateRequired = false;
// Update native side values
worldModelMatrix.get(matrixValues);
setWorldModelMatrix(nativePointer.get(), matrixValues);
}
// Update opacity if necessary.
if (updateOpacityRequired) {
updateOpacity();
updateOpacityRequired = false;
}
}
private void drawPlayerIcons(final Player player, double elapsedMillis) {
quadVao.bind();
playerTexture.bind(0);
uiShader.use();
final FloatBuffer matrixBuffer = BufferUtils.createFloatBuffer(16);
Matrix4f projectionMatrix = new Matrix4f().setOrtho(0, windowWidth, windowHeight, 0, -1, 1);
for (int i = 0; i < player.numLives(); i++) {
final Matrix4f mat = new Matrix4f();
mat.identity();
mat.translate((float) windowWidth - 100 - i * 60f, 60, 0);
mat.translate(25, 25, 0);
mat.scale(25, 25, 1);
Matrix4f tmp = new Matrix4f(projectionMatrix).mul(mat);
tmp.get(matrixBuffer);
uiShader.setUniformMatrixF("projMatrix", matrixBuffer);
GL11.glDrawArrays(GL11.GL_TRIANGLES, 0, 6);
}
playerTexture.unbind();
quadVao.unbind();
}
@Override
public Matrix4f getModelMatrix() {
Matrix4f model = new Matrix4f();
model.translation(0.0f, 100.0f, 0.0f);
return model;
}
public void setPerspective(float fov, float aspect, float near, float far) {
proMat.setPerspective(fov, aspect, near, far);
}
public void setOrthographic(
float left, float right, float bottom, float top, float near, float far) {
proMat.setOrtho(left, right, bottom, top, near, far);
}
public void lookAt(float x, float y, float z) {
mat.lookAt(this.x, this.y, this.z, x, y, z, 0, 1, 0);
}
public void dumpToShader(int viewLocation, int projectionLocation) {
mat.get(buf);
GL20.glUniformMatrix4fv(viewLocation, false, buf);
proMat.get(buf);
GL20.glUniformMatrix4fv(projectionLocation, false, buf);
}
private void updateMatrix() {
mat.identity();
mat.translate(-x, -y, -z);
mat.rotate((float) Math.toRadians(-rx), X_AXIS);
mat.rotate((float) Math.toRadians(-ry), Y_AXIS);
}
/** Update local matrix. */
public void updateLocalMatrix() {
localMatrix.identity();
localMatrix.translate(position);
localMatrix.rotate(rotation);
localMatrix.scale(scale);
}