LiteCraft/src/main/java/io/github/hydos/ginger/engine/render/renderers/SkyboxRenderer.java

91 lines
2.2 KiB
Java

package io.github.hydos.ginger.engine.render.renderers;
import org.joml.Matrix4f;
import org.lwjgl.opengl.GL11;
import org.lwjgl.opengl.GL13;
import org.lwjgl.opengl.GL20;
import org.lwjgl.opengl.GL30;
import io.github.hydos.ginger.engine.cameras.ThirdPersonCamera;
import io.github.hydos.ginger.engine.render.models.RawModel;
import io.github.hydos.ginger.engine.render.shaders.SkyboxShader;
import io.github.hydos.ginger.engine.utils.Loader;
public class SkyboxRenderer
{
private static final float SIZE = 50f;
private static final float[] VERTICES =
{
-SIZE, SIZE, -SIZE,
-SIZE, -SIZE, -SIZE,
SIZE, -SIZE, -SIZE,
SIZE, -SIZE, -SIZE,
SIZE, SIZE, -SIZE,
-SIZE, SIZE, -SIZE,
-SIZE, -SIZE, SIZE,
-SIZE, -SIZE, -SIZE,
-SIZE, SIZE, -SIZE,
-SIZE, SIZE, -SIZE,
-SIZE, SIZE, SIZE,
-SIZE, -SIZE, SIZE,
SIZE, -SIZE, -SIZE,
SIZE, -SIZE, SIZE,
SIZE, SIZE, SIZE,
SIZE, SIZE, SIZE,
SIZE, SIZE, -SIZE,
SIZE, -SIZE, -SIZE,
-SIZE, -SIZE, SIZE,
-SIZE, SIZE, SIZE,
SIZE, SIZE, SIZE,
SIZE, SIZE, SIZE,
SIZE, -SIZE, SIZE,
-SIZE, -SIZE, SIZE,
-SIZE, SIZE, -SIZE,
SIZE, SIZE, -SIZE,
SIZE, SIZE, SIZE,
SIZE, SIZE, SIZE,
-SIZE, SIZE, SIZE,
-SIZE, SIZE, -SIZE,
-SIZE, -SIZE, -SIZE,
-SIZE, -SIZE, SIZE,
SIZE, -SIZE, -SIZE,
SIZE, -SIZE, -SIZE,
-SIZE, -SIZE, SIZE,
SIZE, -SIZE, SIZE
};
private static String[] TEXTURE_FILES =
{
"right.png", "left.png", "up.png", "down.png", "back.png", "front.png"
};
private RawModel cube;
private int texture;
private SkyboxShader shader;
public SkyboxRenderer(Matrix4f projectionMatrix)
{
cube = Loader.loadToVAO(VERTICES, 3);
texture = Loader.loadCubeMap(TEXTURE_FILES);
shader = new SkyboxShader();
shader.start();
shader.loadProjectionMatrix(projectionMatrix);
shader.stop();
}
public void render(ThirdPersonCamera camera)
{
shader.start();
shader.loadViewMatrix(camera);
GL30.glBindVertexArray(cube.getVaoID());
GL20.glEnableVertexAttribArray(0);
GL13.glActiveTexture(GL13.GL_TEXTURE0);
GL11.glBindTexture(GL13.GL_TEXTURE_CUBE_MAP, texture);
GL11.glDrawArrays(GL11.GL_TRIANGLES, 0, cube.getVertexCount());
GL20.glDisableVertexAttribArray(0);
GL30.glBindVertexArray(0);
shader.stop();
}
public void cleanUp()
{ shader.cleanUp(); }
}