Make it possible to shoot bullets in Bassteroids

They don't actually do anything yet except bounce around.

diff --git a/examples/bassteroids/assets.blend b/examples/bassteroids/assets.blend
index 216ba42db1a791d796f9dc6cf8db0263e06efc12..c94c095a5a034fb50edea9da82da7f78ffdf2d76 100644 (file)
Binary files a/examples/bassteroids/assets.blend and b/examples/bassteroids/assets.blend differ

diff --git a/examples/bassteroids/data/exported/Note.tech b/examples/bassteroids/data/exported/Note.tech
new file mode 100644 (file)
index 0000000..9c97b75
--- /dev/null
+++ b/examples/bassteroids/data/exported/Note.tech
@@ -0,0 +1,20 @@
+method ""
+{
+       material
+       {
+               type pbr;
+               base_color 0.110689 0.110689 0.110689 1.00000;
+               tint 1.00000 1.00000 1.00000 1.00000;
+               metalness 1.00000;
+               roughness 0.500000;
+               emission 0.00000 0.00000 0.00000;
+       };
+};
+method "shadow"
+{
+       shader "occluder.glsl.shader";
+};
+method "shadow_thsm"
+{
+       shader "occluder_thsm.glsl.shader";
+};

diff --git a/examples/bassteroids/data/exported/Quaver.mesh b/examples/bassteroids/data/exported/Quaver.mesh
new file mode 100644 (file)
index 0000000..3e5a036
--- /dev/null
+++ b/examples/bassteroids/data/exported/Quaver.mesh
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+       vertex -0.151043 0.0520761 0.00000;
+       texcoord 0.853553 0.853553;
+       vertex 0.0480356 0.167461 0.00000;
+       texcoord 0.0170371 0.629410;
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+       vertex -0.113350 -0.0956334 0.00000;
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+       vertex 0.135436 0.0485618 0.00000;
+       texcoord 0.0669873 0.250000;
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+       texcoord 0.629410 0.0170371;
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+{
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+batch TRIANGLE_STRIP
+{
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+};
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+{
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+{
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+batch TRIANGLE_STRIP
+{
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+batch TRIANGLE_STRIP
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+{
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+{
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+batch TRIANGLE_STRIP
+{
+       indices 216 214 206 206 217 215;
+};
+batch TRIANGLE_STRIP
+{
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+{
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+batch TRIANGLE_STRIP
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+batch TRIANGLE_STRIP
+{
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+       indices 246 243 247 248 248 243 249 249 248 250;
+};
+batch TRIANGLE_STRIP
+{
+       indices 243 251 249 252 252 251 253 253 252 254;
+};
+batch TRIANGLE_STRIP
+{
+       indices 251 255 253 253 254 256;
+};
+batch TRIANGLE_STRIP
+{
+       indices 255 257 253 253 256 258;
+};
+batch TRIANGLE_STRIP
+{
+       indices 257 259 253 253 258 260;
+};
+batch TRIANGLE_STRIP
+{
+       indices 259 261 253 253 260 262;
+};
+batch TRIANGLE_STRIP
+{
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+};
+batch TRIANGLE_STRIP
+{
+       indices 263 265 253 253 264 266;
+};
+batch TRIANGLE_STRIP
+{
+       indices 265 267 253 253 266 268;
+};
+batch TRIANGLE_STRIP
+{
+       indices 267 269 253 253 268 270;
+};
+batch TRIANGLE_STRIP
+{
+       indices 269 271 253 253 270 272;
+};
+batch TRIANGLE_STRIP
+{
+       indices 271 273 253 272;
+};

diff --git a/examples/bassteroids/data/exported/Quaver.object b/examples/bassteroids/data/exported/Quaver.object
new file mode 100644 (file)
index 0000000..13cb2fd
--- /dev/null
+++ b/examples/bassteroids/data/exported/Quaver.object
@@ -0,0 +1,3 @@
+bounding_sphere_hint -0.453461 0.0478167 0.0346204 0.615673;
+mesh "Quaver.mesh";
+technique "Note.tech";

diff --git a/examples/bassteroids/source/bullet.cpp b/examples/bassteroids/source/bullet.cpp
new file mode 100644 (file)
index 0000000..260601b
--- /dev/null
+++ b/examples/bassteroids/source/bullet.cpp
@@ -0,0 +1,8 @@
+#include "bullet.h"
+
+using namespace Msp;
+
+Bullet::Bullet(Game::Handle<Game::Entity> p, const Setup &s):
+       PhysicalEntity(p, s.physical),
+       mesh(*this, s.mesh)
+{ }

diff --git a/examples/bassteroids/source/bullet.h b/examples/bassteroids/source/bullet.h
new file mode 100644 (file)
index 0000000..825125f
--- /dev/null
+++ b/examples/bassteroids/source/bullet.h
@@ -0,0 +1,24 @@
+#ifndef BULLET_H_
+#define BULLET_H_
+
+#include <msp/game/meshsource.h>
+#include "physicalentity.h"
+
+struct BulletSetup
+{
+       PhysicalSetup physical;
+       Msp::Game::MeshSourceSetup mesh;
+};
+
+class Bullet: public PhysicalEntity
+{
+private:
+       Msp::Game::Owned<Msp::Game::MeshSource> mesh;
+
+public:
+       using Setup = BulletSetup;
+
+       Bullet(Msp::Game::Handle<Msp::Game::Entity>, const Setup &);
+};
+
+#endif

diff --git a/examples/bassteroids/source/playercontroller.cpp b/examples/bassteroids/source/playercontroller.cpp
index cd7e72ad3a53f191a36b23921466d1834dbd985f..65a879d2447727277ce4da16c4b4e1f822f57aef 100644 (file)
--- a/examples/bassteroids/source/playercontroller.cpp
+++ b/examples/bassteroids/source/playercontroller.cpp
@@ -10,7 +10,9 @@ PlayerController::PlayerController(Game::Stage &s):
        System(s),
        player_setup{ .physical={ .body={ .mass=1, .moment_of_inertia=0.8f }, .collider={ .type=ColliderType::CIRCLE, .radius=0.8f }},
                .mesh={ .object_name="Bass guitar.object" },
-               .speed=12.0f, .turn_rate=4.71f }
+               .speed=12.0f, .turn_rate=4.71f },
+       bullet_setup{ .physical={ .body={ .mass=0.05f, .moment_of_inertia=0.04f }, .collider={ .type=ColliderType::CIRCLE, .radius=0.2f }},
+               .mesh={ .object_name="Quaver.object" }}
 { }
 
 void PlayerController::set_controls(Controls *c)
@@ -46,4 +48,23 @@ void PlayerController::tick(Time::TimeDelta dt)
        Geometry::Angle<float> angular_speed = abs(angular_vel);
        if(abs(angular_speed.radians())>1e-5)
                body->add_torque(angular_vel.radians()*-min(angular_speed.radians()+setup.turn_rate/angular_speed.radians(), 1.0f/dt_secs));
+
+       if(controls->fire.was_pressed())
+               fire();
+
+       controls->reset_edges();
+}
+
+void PlayerController::fire()
+{
+       Game::Handle<Game::Transform> player_tf = player_ship->get_transform();
+       Game::Handle<RigidBody> player_body = player_ship->get_body();
+
+       bullets.emplace_back(stage.get_root(), bullet_setup);
+       Game::Handle<Bullet> bullet = bullets.back();
+       Game::Handle<Game::Transform> bullet_tf = bullet->get_transform();
+       bullet_tf->set_position((player_tf->get_world_matrix()*LinAl::Vector<float, 4>(2.0f, 0.0f, 0.0f, 1.0f)).slice<3>(0));
+       bullet_tf->set_rotation(player_tf->get_rotation()*Geometry::Quaternion<float>::rotation(Geometry::Angle<float>::from_degrees(10), LinAl::Vector<float, 3>(0.0f, 0.0f, 1.0f)));
+       Game::Handle<RigidBody> bullet_body = bullet->get_body();
+       bullet_body->set_velocity(player_body->get_velocity()+(player_tf->get_world_matrix()*LinAl::Vector<float, 4>(20.0f, 0.0f, 0.0f, 0.0f)).slice<2>(0));
 }

diff --git a/examples/bassteroids/source/playercontroller.h b/examples/bassteroids/source/playercontroller.h
index 83d49f1d715e0edb50ea28041e248984a01ed2c2..d29b2d6218a5fbc9f0a924f3fd9ca06e6167d39c 100644 (file)
--- a/examples/bassteroids/source/playercontroller.h
+++ b/examples/bassteroids/source/playercontroller.h
@@ -4,6 +4,7 @@
 #include <msp/game/eventobserver.h>
 #include <msp/game/owned.h>
 #include <msp/game/system.h>
+#include "bullet.h"
 #include "ship.h"
 
 class Controls;
@@ -13,7 +14,9 @@ class PlayerController: public Msp::Game::System
 private:
        Controls *controls = nullptr;
        ShipSetup player_setup;
+       BulletSetup bullet_setup;
        Msp::Game::Owned<Ship> player_ship;
+       std::vector<Msp::Game::Owned<Bullet>> bullets;
 
 public:
        PlayerController(Msp::Game::Stage &);
@@ -21,6 +24,8 @@ public:
        void set_controls(Controls *);
 
        void tick(Msp::Time::TimeDelta) override;
+private:
+       void fire();
 };
 
 #endif