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276module bludger_controller #(
parameter PLAYER_RADIUS,
parameter BALL_RADIUS,
parameter MOVEMENT_FREQUENCY
)
(
input clk,
input game_initiated,
input blue_ver_clean,
input blue_hor_clean,
input red_ver_clean,
input red_hor_clean,
input [9:0] team1_ver_pos, // 240
input [9:0] team2_ver_pos, // 560
input [9:0] team1_hor_pos, // 370
input [9:0] team2_hor_pos, // 180
output reg signed [10:0] x_position,
output reg signed [10:0] y_position,
output reg blue_ver_bludged,
output reg blue_hor_bludged,
output reg red_ver_bludged,
output reg red_hor_bludged
);
reg signed [4:0] x_dir, y_dir;
integer counter;
integer touching_player = (PLAYER_RADIUS + BALL_RADIUS + 2) ** 2;
wire random;
assign random = (team1_hor_pos + team2_hor_pos + team1_ver_pos + team2_ver_pos + x_position + y_position) % 2;
reg state;
parameter dead = 1'b0;
parameter alive = 1'b1;
initial begin
state = dead;
counter = 0;
x_position = 450;
y_position = 275;
x_dir = 2;
y_dir = 2;
end
always @(posedge clk) begin
if (counter < MOVEMENT_FREQUENCY) begin
counter <= counter + 'd1;
end else begin
counter <= 0;
end
end
always @(posedge clk) begin
if (game_initiated == 1) begin
state <= alive;
end
end
always @(posedge clk) begin
if (blue_ver_clean == 1) blue_ver_bludged <= 0;
if (blue_hor_clean == 1) blue_hor_bludged <= 0;
if (red_ver_clean == 1) red_ver_bludged <= 0;
if (red_hor_clean == 1) red_hor_bludged <= 0;
if (state == dead) begin
x_position <= 450;
y_position <= 275;
end else if (state == alive && counter == 'd28) begin
x_position <= x_position + x_dir;
y_position <= y_position + y_dir;
end
// wall collisions
if ((y_position) < (36 + BALL_RADIUS)) begin // top wall
y_dir <= - y_dir;
y_position <= y_position + 5;
if (random == 1) x_dir <= -x_dir;
end else if ((y_position) > (510 - BALL_RADIUS)) begin // bottom wall
y_dir <= - y_dir;
y_position <= y_position - 5;
if (random == 1) x_dir <= -x_dir;
end else if ((x_position) < (150 + BALL_RADIUS)) begin // left wall
x_dir <= - x_dir;
x_position <= x_position + 5;
if (random == 1) y_dir <= -y_dir;
end else if (x_position > (660 - BALL_RADIUS)) begin // right wall
x_dir <= - x_dir;
x_position <= x_position - 5;
if (random == 1) y_dir <= -y_dir;
end
// ball collisions blue vertical
if ((((y_position - team1_ver_pos)**2)+((x_position - 240)**2) < touching_player)) begin
blue_ver_bludged <= 1;
if (x_position > 240 + 32) begin // east side
x_dir <= - x_dir;
x_position <= x_position + 5;
if (random == 1) y_dir <= -y_dir;
end else if (x_position < 240 - 32) begin // west side
x_dir <= - x_dir;
x_position <= x_position - 5;
if (random == 1) y_dir <= -y_dir;
end else if (y_position > team1_ver_pos + 32) begin // south side
y_dir <= - y_dir;
y_position <= y_position + 5;
if (random == 1) x_dir <= -x_dir;
end else if (y_position < team1_ver_pos - 32) begin // north side
y_dir <= - y_dir;
y_position <= y_position - 5;
if (random == 1) x_dir <= -x_dir;
end else begin
if ((x_position > 240) && (y_position < team1_ver_pos)) begin // northeast side
x_dir <= y_dir;
y_dir <= x_dir;
x_position <= x_position + 5;
y_position <= y_position - 5;
end else if ((x_position > 240) && (y_position > team1_ver_pos)) begin // southeast side
x_dir <= -y_dir;
y_dir <= -x_dir;
x_position <= x_position + 5;
y_position <= y_position + 5;
end else if ((x_position < 240) && (y_position > team1_ver_pos)) begin // southwest side
x_dir <= y_dir;
y_dir <= x_dir;
x_position <= x_position - 5;
y_position <= y_position + 5;
end else if ((x_position < 240) && (y_position < team1_ver_pos)) begin // northwest side
x_dir <= -y_dir;
y_dir <= -x_dir;
x_position <= x_position - 5;
y_position <= y_position - 5;
end
end
end
// ball collisions blue horizontal
if ((((y_position - 370)**2)+((x_position - team1_hor_pos)**2) < touching_player)) begin
blue_hor_bludged <= 1;
if (x_position > team1_hor_pos + 32) begin // east side
x_dir <= - x_dir;
x_position <= x_position + 5;
if (random == 1) y_dir <= -y_dir;
end else if (x_position < team1_hor_pos - 32) begin // west side
x_dir <= - x_dir;
x_position <= x_position - 5;
if (random == 1) y_dir <= -y_dir;
end else if (y_position > 370 + 32) begin // south side
y_dir <= - y_dir;
y_position <= y_position + 5;
if (random == 1) x_dir <= -x_dir;
end else if (y_position < 370 - 32) begin // north side
y_dir <= - y_dir;
y_position <= y_position - 5;
if (random == 1) x_dir <= -x_dir;
end else begin
if ((x_position > team1_hor_pos) && (y_position < 370)) begin // northeast side
x_dir <= y_dir;
y_dir <= x_dir;
x_position <= x_position + 5;
y_position <= y_position - 5;
end else if ((x_position > team1_hor_pos) && (y_position > 370)) begin // southeast side
x_dir <= -y_dir;
y_dir <= -x_dir;
x_position <= x_position + 5;
y_position <= y_position + 5;
end else if ((x_position < team1_hor_pos) && (y_position > 370)) begin // southwest side
x_dir <= y_dir;
y_dir <= x_dir;
x_position <= x_position - 5;
y_position <= y_position + 5;
end else if ((x_position < team1_hor_pos) && (y_position < 370)) begin // northwest side
x_dir <= -y_dir;
y_dir <= -x_dir;
x_position <= x_position - 5;
y_position <= y_position - 5;
end
end
end
// ball collisions red vertical
if ((((y_position - team2_ver_pos)**2)+((x_position - 560)**2) < touching_player)) begin
red_ver_bludged <= 1;
if (x_position > 560 + 32) begin // east side
x_dir <= - x_dir;
x_position <= x_position + 5;
if (random == 1) y_dir <= -y_dir;
end else if (x_position < 560 - 32) begin // west side
x_dir <= - x_dir;
x_position <= x_position - 5;
if (random == 1) y_dir <= -y_dir;
end else if (y_position > team2_ver_pos + 32) begin // south side
y_dir <= - y_dir;
y_position <= y_position + 5;
if (random == 1) x_dir <= -x_dir;
end else if (y_position < team2_ver_pos - 32) begin // north side
y_dir <= - y_dir;
y_position <= y_position - 5;
if (random == 1) x_dir <= -x_dir;
end else begin
if ((x_position > 560) && (y_position < team2_ver_pos)) begin // northeast side
x_dir <= y_dir;
y_dir <= x_dir;
x_position <= x_position + 5;
y_position <= y_position - 5;
end else if ((x_position > 560) && (y_position > team2_ver_pos)) begin // southeast side
x_dir <= -y_dir;
y_dir <= -x_dir;
x_position <= x_position + 5;
y_position <= y_position + 5;
end else if ((x_position < 560) && (y_position > team2_ver_pos)) begin // southwest side
x_dir <= y_dir;
y_dir <= x_dir;
x_position <= x_position - 5;
y_position <= y_position + 5;
end else if ((x_position < 560) && (y_position < team2_ver_pos)) begin // northwest side
x_dir <= -y_dir;
y_dir <= -x_dir;
x_position <= x_position - 5;
y_position <= y_position - 5;
end
end
end
// ball collisions red horizontal
if ((((y_position - 180)**2)+((x_position - team2_hor_pos)**2) < touching_player)) begin
red_hor_bludged <= 1;
if (x_position > team2_hor_pos + 32) begin // east side
x_dir <= - x_dir;
x_position <= x_position + 5;
if (random == 1) y_dir <= -y_dir;
end else if (x_position < team2_hor_pos - 32) begin // west side
x_dir <= - x_dir;
x_position <= x_position - 5;
if (random == 1) y_dir <= -y_dir;
end else if (y_position > 180 + 32) begin // south side
y_dir <= - y_dir;
y_position <= y_position + 5;
if (random == 1) x_dir <= -x_dir;
end else if (y_position < 180 - 32) begin // north side
y_dir <= - y_dir;
y_position <= y_position - 5;
if (random == 1) x_dir <= -x_dir;
end else begin
if ((x_position > team2_hor_pos) && (y_position < 180)) begin // northeast side
x_dir <= y_dir;
y_dir <= x_dir;
x_position <= x_position + 5;
y_position <= y_position - 5;
end else if ((x_position > team2_hor_pos) && (y_position > 180)) begin // southeast side
x_dir <= -y_dir;
y_dir <= -x_dir;
x_position <= x_position + 5;
y_position <= y_position + 5;
end else if ((x_position < team2_hor_pos) && (y_position > 180)) begin // southwest side
x_dir <= y_dir;
y_dir <= x_dir;
x_position <= x_position - 5;
y_position <= y_position + 5;
end else if ((x_position < team2_hor_pos) && (y_position < 180)) begin // northwest side
x_dir <= -y_dir;
y_dir <= -x_dir;
x_position <= x_position - 5;
y_position <= y_position - 5;
end
end
end
end
endmodule