Started on platforms. Updated player movement.

res/shaders/s2b/frag.gls

@@ -1,19 +0,0 @@
-#version 330 core
-
-uniform sampler2D layer0;
-uniform sampler2D layer1;
-
-uniform float offset0 = 1;
-uniform float offset1 = 1;
-
-in vec2 texCoords;
-
-out vec4 color;
-
-void main() {
-    vec4 color0 = texture(layer0, texCoords + vec2(0, offset0));
-    vec4 color1 = texture(layer1, texCoords + vec2(0, offset1));
-	color = mix(color0, color1, 1 - color0.a);
-	if (color.a == 0)
-	    discard;
-}

res/shaders/s2e/frag.gls

@@ -0,0 +1,13 @@
+#version 330 core
+
+uniform sampler2D sampler;
+
+in vec2 texCoords;
+
+out vec4 color;
+
+void main() {
+    color = texture(sampler, texCoords);
+	if (color.a == 0)
+	    discard;
+}

res/shaders/s2e/vert.gls

@@ -1,5 +1,6 @@
 #version 330 core
 
+uniform vec4 subtexture = vec4(0, 0, 1, 1);
 uniform mat4 mvp;
 
 layout (location = 0) in vec3 vertices;
@@ -8,6 +9,6 @@ layout (location = 1) in vec2 itexCoords;
 out vec2 texCoords;
 
 void main() {
-	texCoords = itexCoords;
+	texCoords = itexCoords * subtexture.zw + subtexture.xy;
 	gl_Position = mvp * vec4(vertices, 1);
 }

res/shaders/s2t/vert.gls

@@ -1,5 +1,6 @@
 #version 330 core
 
+uniform vec4 subtexture = vec4(0, 0, 1, 1);
 uniform mat4 mvp;
 
 layout (location = 0) in vec3 vertices;
@@ -8,6 +9,6 @@ layout (location = 1) in vec2 itexCoords;
 out vec2 texCoords;
 
 void main() {
-	texCoords = itexCoords;
+	texCoords = itexCoords * subtexture.zw + subtexture.xy;
 	gl_Position = mvp * vec4(vertices, 1);
 }

src/META-INF/MANIFEST.MF

@@ -1,4 +1,3 @@
 Manifest-Version: 1.0
 Main-Class: com.gnarwhal.ld46.game.Main
 
-

src/com/gnarwhal/ld46/engine/display/Window.java

@@ -122,7 +122,7 @@ public class Window {
 		
 		glEnable(GL_MULTISAMPLE);
 
-		glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_HIDDEN);
+		//glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_HIDDEN);
 		
 		int[] awidth = new int[1], aheight = new int[1];
 		glfwGetWindowSize(window, awidth, aheight);

src/com/gnarwhal/ld46/engine/model/TexRect.java

@@ -34,7 +34,7 @@ public class TexRect extends Rect {
 	}
 	
 	public void setCenter(float x, float y) {
-		position.x = x - width / 2;
+		position.x = x - width  / 2;
 		position.y = y - height / 2;
 	}
 	

src/com/gnarwhal/ld46/engine/shaders/Shader.java

@@ -13,8 +13,7 @@ public abstract class Shader {
 
 	public static Shader2c SHADER2C;
 	public static Shader2t SHADER2T;
-	public static Shader2b SHADER2B;
-	
+
 	protected int program;
 	
 	protected int mvpLoc;
@@ -35,7 +34,7 @@ public abstract class Shader {
 		
 		glDeleteShader(vert);
 		glDeleteShader(frag);
-		
+
 		mvpLoc = glGetUniformLocation(program, "mvp");
 	}
 	
@@ -80,6 +79,5 @@ public abstract class Shader {
 	public static void init() {
 		SHADER2C = new Shader2c();
 		SHADER2T = new Shader2t();
-		SHADER2B = new Shader2b();
 	}
 }

src/com/gnarwhal/ld46/engine/shaders/Shader2b.java

@@ -1,32 +0,0 @@
-package com.gnarwhal.ld46.engine.shaders;
-
-import static org.lwjgl.opengl.GL20.*;
-
-public class Shader2b extends Shader {
-
-	private int offset0Loc;
-	private int offset1Loc;
-
-	protected Shader2b() {
-		super("res/shaders/s2b/vert.gls", "res/shaders/s2b/frag.gls");
-		getUniforms();
-	}
-
-	public void setOffset(float offset0, float offset1) {
-		glUniform1f(offset0Loc, offset0);
-		glUniform1f(offset1Loc, offset1);
-	}
-
-	@Override
-	protected void getUniforms() {
-		offset0Loc = glGetUniformLocation(program, "offset0");
-		offset1Loc = glGetUniformLocation(program, "offset1");
-
-		int layer0 = glGetUniformLocation(program, "layer0");
-		int layer1 = glGetUniformLocation(program, "layer1");
-
-		enable();
-		glUniform1i(layer0, 0);
-		glUniform1i(layer1, 1);
-	}
-}

src/com/gnarwhal/ld46/engine/shaders/Shader2c.java

@@ -5,7 +5,7 @@ import static org.lwjgl.opengl.GL20.glUniform4f;
 
 public class Shader2c extends Shader {
 
-	int colorLoc;
+	private int colorLoc;
 	
 	protected Shader2c(String vert, String frag) {
 		super(vert, frag);

src/com/gnarwhal/ld46/engine/shaders/Shader2e.java

@@ -0,0 +1,25 @@
+package com.gnarwhal.ld46.engine.shaders;
+
+import org.joml.Vector2f;
+
+import static org.lwjgl.opengl.GL20.glGetUniformLocation;
+import static org.lwjgl.opengl.GL20.glUniform4f;
+
+public class Shader2t extends Shader {
+
+	private int subtextureLoc;
+
+	public Shader2t() {
+		super("res/shaders/s2t/vert.gls", "res/shaders/s2t/frag.gls");
+		getUniforms();
+	}
+
+	@Override
+	protected void getUniforms() {
+		subtextureLoc = glGetUniformLocation(program, "subtexture");
+	}
+
+	public void setSubtexture(Vector2f position, Vector2f dimensions) {
+		glUniform4f(subtextureLoc, position.x, position.y, dimensions.x, dimensions.y);
+	}
+}

src/com/gnarwhal/ld46/engine/shaders/Shader2t.java

@@ -1,12 +1,25 @@
 package com.gnarwhal.ld46.engine.shaders;
 
+import org.joml.Vector2f;
+
+import static org.lwjgl.opengl.GL20.glGetUniformLocation;
+import static org.lwjgl.opengl.GL20.glUniform4f;
+
 public class Shader2t extends Shader {
-	
-	protected Shader2t() {
+
+	private int subtextureLoc;
+
+	public Shader2t() {
 		super("res/shaders/s2t/vert.gls", "res/shaders/s2t/frag.gls");
 		getUniforms();
 	}
 
 	@Override
-	protected void getUniforms() {}
+	protected void getUniforms() {
+		subtextureLoc = glGetUniformLocation(program, "subtexture");
+	}
+
+	public void setSubtexture(Vector2f position, Vector2f dimensions) {
+		glUniform4f(subtextureLoc, position.x, position.y, dimensions.x, dimensions.y);
+	}
 }

src/com/gnarwhal/ld46/engine/texture/Texture.java

@@ -32,7 +32,7 @@ public class Texture {
 			height = bi.getHeight();
 			int[] pixels = bi.getRGB(0, 0, width, height, null, 0, width);
 			ByteBuffer buffer = BufferUtils.createByteBuffer(width * height * 4);
-			
+
 			for (int i = 0; i < height; i++) {
 				for (int j = 0; j < width; j++) {
 					int pixel = pixels[i * width + j];

src/com/gnarwhal/ld46/game/GamePanel.java

@@ -8,16 +8,20 @@ public class GamePanel {
 	private Window window;
 	private Camera camera;
 
+	private Player player;
+
 	public GamePanel(Window window, Camera camera) {
 		this.window = window;
 		this.camera = camera;
+
+		player = new Player(window, camera);
 	}
 	
 	public void update() {
-
+		player.update();
 	}
 	
 	public void render() {
-
+		player.render();
 	}
 }

src/com/gnarwhal/ld46/game/Main.java

@@ -51,9 +51,9 @@ public class Main {
 	private void init() {
 		al = new ALManagement();
 
-		final int WIN_WIDTH = 768, WIN_HEIGHT = 432;
-		window = new Window("Ludum Dare 46", true);
-		//window = new Window(WIN_WIDTH, WIN_HEIGHT, "Ludum Dare 46", true, true, true);
+		final int WIN_WIDTH = 1920, WIN_HEIGHT = 1080;
+		//window = new Window("Ludum Dare 46", true);
+		window = new Window(WIN_WIDTH * 3/4, WIN_HEIGHT * 3/4, "Ludum Dare 46", true, true, true);
 		camera = new Camera(WIN_WIDTH, WIN_HEIGHT);
 		Shader.init();
 

src/com/gnarwhal/ld46/game/Platform.java

@@ -0,0 +1,4 @@
+package com.gnarwhal.ld46.game;
+
+public class Platform {
+}

src/com/gnarwhal/ld46/game/Player.java

@@ -0,0 +1,207 @@
+package com.gnarwhal.ld46.game;
+
+import com.gnarwhal.ld46.engine.display.Camera;
+import com.gnarwhal.ld46.engine.display.Window;
+import com.gnarwhal.ld46.engine.model.Rect;
+import com.gnarwhal.ld46.engine.shaders.Shader2t;
+import com.gnarwhal.ld46.engine.texture.Texture;
+import jdk.jfr.Percentage;
+import org.joml.Vector2f;
+import org.joml.Vector3d;
+import org.joml.Vector3f;
+
+import static com.gnarwhal.ld46.engine.display.Window.BUTTON_PRESSED;
+import static com.gnarwhal.ld46.game.Main.dtime;
+import static org.lwjgl.glfw.GLFW.*;
+
+public class Player extends Rect {
+
+	private Texture[] textures;
+	private Shader2t shader;
+
+	private Window window;
+
+	private Vector3f[] positions;
+	private Vector3f offset;
+	private float idleTime;
+
+	private Vector3f velocity;
+
+	private boolean grounded = false;
+
+	public Player(Window window, Camera camera) {
+		super(camera, 0, 0, -0.1f, 200, 200, 0, false);
+		this.window = window;
+
+		textures = new Texture[] {
+			new Texture("res/img/player/player_legs.png"),
+			new Texture("res/img/player/player_head.png"),
+			new Texture("res/img/player/player_arms.png"),
+			new Texture("res/img/player/player_effect.png"),
+		};
+
+		positions = new Vector3f[] {
+			new Vector3f(),
+			new Vector3f(),
+			new Vector3f()
+		};
+		offset = new Vector3f();
+		idleTime = 0;
+
+		shader = new Shader2t();
+
+		velocity = new Vector3f();
+	}
+
+	public void update() {
+
+		final float JUMP_SPEED              = 812;
+		final float DECELERATION            = 1762;
+		final float HIGH_SPEED_DECELERATION = 2048;
+		final float TERMINAL_VELOCITY       = 1762;
+		final float GRAVITY                 = 1762;
+
+		final float speed = 768;
+
+		float friction = 0;
+		float floor = 0;
+		Vector3f acceleration = new Vector3f(0, GRAVITY, 0);
+
+		if (window.keyPressed(GLFW_KEY_A) >= BUTTON_PRESSED) {
+			floor = -speed;
+			if (velocity.x > -speed)
+				velocity.x = -speed;
+			else
+				friction = HIGH_SPEED_DECELERATION;
+
+		}
+		else if (window.keyPressed(GLFW_KEY_D) >= BUTTON_PRESSED) {
+			floor = speed;
+			if (velocity.x < speed) {
+				velocity.x = speed;
+			} else {
+				friction = -HIGH_SPEED_DECELERATION;
+			}
+		} else if (velocity.x != 0) {
+			float absVelX = Math.abs(velocity.x);
+			if (absVelX > speed) {
+				friction = -HIGH_SPEED_DECELERATION * (velocity.x / absVelX);
+			} else {
+				friction = -DECELERATION * (velocity.x / absVelX);
+			}
+		}
+
+		if (window.keyPressed(GLFW_KEY_S) == BUTTON_PRESSED && velocity.y >= 0) {
+			velocity.y = TERMINAL_VELOCITY;
+		} else {
+			float absVelocityY = Math.abs(velocity.y());
+			if (absVelocityY > TERMINAL_VELOCITY) {
+				velocity.y = (velocity.y / absVelocityY) * TERMINAL_VELOCITY;
+			}
+		}
+
+		if ((window.keyPressed(GLFW_KEY_W)     == BUTTON_PRESSED
+		  || window.keyPressed(GLFW_KEY_SPACE) == BUTTON_PRESSED)) {
+			velocity.y = -JUMP_SPEED;
+		}
+
+		if (velocity.x == 0 && grounded) {
+			final float SCALE = 10;
+			final float RATE  = (float) (2 * Math.PI / 2.5); // Last number is seconds per loop
+			offset.y = (float) (SCALE * Math.sin(RATE * idleTime));
+			idleTime += dtime;
+		} else {
+			idleTime = 0;
+			offset.y = 0;
+		}
+
+		grounded = false;
+		velocity.add(acceleration.mul((float) dtime, new Vector3f()));
+		float degradedVelocity = velocity.x() + friction * (float) dtime;
+		// If the acceleration due to friction would accelerate it past the speed floor set it to the speed floor
+		if ((degradedVelocity - floor) * (velocity.x() - floor) < 0) {
+			velocity.x = floor;
+			// otherwise just apply the friction
+		} else {
+			velocity.x = degradedVelocity;
+		}
+
+		position.add(velocity.mul((float) dtime, new Vector3f()));
+
+		/*
+		if (state == STATE_GROUNDED) {
+			final float MAX_HORZ_VELOCITY = 1024;
+			final float HORZ_ACCELERATION = 4096;
+			if (window.keyPressed(GLFW_KEY_A) >= BUTTON_PRESSED) {
+				velocity.x -= HORZ_ACCELERATION * dtime;
+				if (velocity.x < -MAX_HORZ_VELOCITY) {
+					velocity.x = -MAX_HORZ_VELOCITY;
+				}
+			} else if (window.keyPressed(GLFW_KEY_D) >= BUTTON_PRESSED) {
+				velocity.x += HORZ_ACCELERATION * dtime;
+				if (velocity.x > MAX_HORZ_VELOCITY) {
+					velocity.x = MAX_HORZ_VELOCITY;
+				}
+			} else {
+				velocity.x *=
+			}
+		}
+
+		velocity.y += (float) (GRAVITY * dtime);
+		if (velocity.y > TERMINAL_VELOCITY) {
+			velocity.y = TERMINAL_VELOCITY;
+		}
+
+		position.add(velocity.mul((float) Main.dtime, new Vector3f()));*/
+
+		// Check y bounds
+		if (position.y + height > camera.getHeight()) {
+			position.y = camera.getHeight() - height;
+			velocity.y = 0;
+			grounded = true;
+		} else {
+			grounded = false;
+			if (position.y < 0) {
+				position.y = 0;
+				velocity.y = 0;
+			}
+		}
+		// Check X bounds
+		if (position.x < 0) {
+			position.x = 0;
+			velocity.x = 0;
+		} else if (position.x + width > camera.getWidth()) {
+			position.x = camera.getWidth() - width;
+			velocity.x = 0;
+		}
+
+		final float MAX_DISTANCE = 10;
+		final float ELASTICITY = 0.5f;
+		positions[0].set(position).add(offset);
+		Vector3f displacement = positions[2].sub(positions[0], new Vector3f()).mul(1 - ELASTICITY);
+		displacement.x = 0;
+		float length = displacement.length();
+		if (length > MAX_DISTANCE) {
+			displacement.div(length).mul(MAX_DISTANCE);
+		}
+		positions[2].set(positions[0]).add(displacement);
+		displacement.set(positions[1]).sub(positions[2]).mul(1 - ELASTICITY);
+		displacement.x = 0;
+		length = displacement.length();
+		if (length > MAX_DISTANCE) {
+			displacement.div(length).mul(MAX_DISTANCE);
+		}
+		System.out.println(displacement);
+		positions[1].set(positions[2]).add(displacement);
+	}
+
+	public void render() {
+		shader.enable();
+		shader.setSubtexture(new Vector2f(0, 0), new Vector2f(0.5f, 0.2f));
+		for (int i = 0; i < 3; ++i) {
+			textures[i].bind();
+			shader.setMVP(camera.getMatrix().translate(positions[i].add(width * scale / 2, height * scale / 2, 0.01f * i, new Vector3f())).rotateZ(rotation).scale(width * scale, height * scale, 1).translate(-0.5f, -0.5f, 0));
+			vao.render();
+		}
+	}
+}